Home / 841,931.49-1,262,015.13-392,281.56

Finding the Fourth Proportional to 841,931.49, 1,262,015.13 and 392,281.56

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Solution

The fourth proportional to 841,931.49, 1,262,015.13 and 392,281.56 is: 588,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,931.49 : 1,262,015.13 = 392,281.56 : x
  2. Step 2: Convert to fraction form
    841,931.49/1,262,015.13 = 392,281.56/x
  3. Step 3: Cross multiply
    841,931.49x = 1,262,015.13 × 392,281.56
  4. Step 4: Simplify right side
    841,931.49x = 495,065,263,940.00
  5. Step 5: Solve for x
    x = 495,065,263,940.00/841,931.49
  6. Step 6: Final answer
    x = 588,011.34

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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.