Home / 1,088,290.98-1,632,434.31-289,572.48

Finding the Fourth Proportional to 1,088,290.98, 1,632,434.31 and 289,572.48

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Solution

The fourth proportional to 1,088,290.98, 1,632,434.31 and 289,572.48 is: 434,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,290.98 : 1,632,434.31 = 289,572.48 : x
  2. Step 2: Convert to fraction form
    1,088,290.98/1,632,434.31 = 289,572.48/x
  3. Step 3: Cross multiply
    1,088,290.98x = 1,632,434.31 × 289,572.48
  4. Step 4: Simplify right side
    1,088,290.98x = 472,708,051,583.79
  5. Step 5: Solve for x
    x = 472,708,051,583.79/1,088,290.98
  6. Step 6: Final answer
    x = 434,358.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.