Home / 947,118.14-1,421,237.69-348,499.66

Finding the Fourth Proportional to 947,118.14, 1,421,237.69 and 348,499.66

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Solution

The fourth proportional to 947,118.14, 1,421,237.69 and 348,499.66 is: 522,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,118.14 : 1,421,237.69 = 348,499.66 : x
  2. Step 2: Convert to fraction form
    947,118.14/1,421,237.69 = 348,499.66/x
  3. Step 3: Cross multiply
    947,118.14x = 1,421,237.69 × 348,499.66
  4. Step 4: Simplify right side
    947,118.14x = 495,300,851,744.19
  5. Step 5: Solve for x
    x = 495,300,851,744.19/947,118.14
  6. Step 6: Final answer
    x = 522,955.72

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Double scale
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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.