Home / 906,143.49-1,250,510.13-498,276.36

Finding the Fourth Proportional to 906,143.49, 1,250,510.13 and 498,276.36

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Solution

The fourth proportional to 906,143.49, 1,250,510.13 and 498,276.36 is: 687,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,143.49 : 1,250,510.13 = 498,276.36 : x
  2. Step 2: Convert to fraction form
    906,143.49/1,250,510.13 = 498,276.36/x
  3. Step 3: Cross multiply
    906,143.49x = 1,250,510.13 × 498,276.36
  4. Step 4: Simplify right side
    906,143.49x = 623,099,635,719.53
  5. Step 5: Solve for x
    x = 623,099,635,719.53/906,143.49
  6. Step 6: Final answer
    x = 687,639.04

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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.