Home / 830,612.56-1,146,246.14-448,639.33

Finding the Fourth Proportional to 830,612.56, 1,146,246.14 and 448,639.33

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Solution

The fourth proportional to 830,612.56, 1,146,246.14 and 448,639.33 is: 619,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,612.56 : 1,146,246.14 = 448,639.33 : x
  2. Step 2: Convert to fraction form
    830,612.56/1,146,246.14 = 448,639.33/x
  3. Step 3: Cross multiply
    830,612.56x = 1,146,246.14 × 448,639.33
  4. Step 4: Simplify right side
    830,612.56x = 514,251,100,264.69
  5. Step 5: Solve for x
    x = 514,251,100,264.69/830,612.56
  6. Step 6: Final answer
    x = 619,122.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.