Home / 841,744.13-1,263,038.54-392,500.14

Finding the Fourth Proportional to 841,744.13, 1,263,038.54 and 392,500.14

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Solution

The fourth proportional to 841,744.13, 1,263,038.54 and 392,500.14 is: 588,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,744.13 : 1,263,038.54 = 392,500.14 : x
  2. Step 2: Convert to fraction form
    841,744.13/1,263,038.54 = 392,500.14/x
  3. Step 3: Cross multiply
    841,744.13x = 1,263,038.54 × 392,500.14
  4. Step 4: Simplify right side
    841,744.13x = 495,742,801,812.90
  5. Step 5: Solve for x
    x = 495,742,801,812.90/841,744.13
  6. Step 6: Final answer
    x = 588,947.15

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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.