Home / 862,544.79-1,292,158.95-482,312.28

Finding the Fourth Proportional to 862,544.79, 1,292,158.95 and 482,312.28

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Solution

The fourth proportional to 862,544.79, 1,292,158.95 and 482,312.28 is: 722,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,544.79 : 1,292,158.95 = 482,312.28 : x
  2. Step 2: Convert to fraction form
    862,544.79/1,292,158.95 = 482,312.28/x
  3. Step 3: Cross multiply
    862,544.79x = 1,292,158.95 × 482,312.28
  4. Step 4: Simplify right side
    862,544.79x = 623,224,129,296.91
  5. Step 5: Solve for x
    x = 623,224,129,296.91/862,544.79
  6. Step 6: Final answer
    x = 722,541.18

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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.