Home / 905,885.02-1,250,125.41-498,013.10

Finding the Fourth Proportional to 905,885.02, 1,250,125.41 and 498,013.10

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Solution

The fourth proportional to 905,885.02, 1,250,125.41 and 498,013.10 is: 687,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,885.02 : 1,250,125.41 = 498,013.10 : x
  2. Step 2: Convert to fraction form
    905,885.02/1,250,125.41 = 498,013.10/x
  3. Step 3: Cross multiply
    905,885.02x = 1,250,125.41 × 498,013.10
  4. Step 4: Simplify right side
    905,885.02x = 622,578,830,822.87
  5. Step 5: Solve for x
    x = 622,578,830,822.87/905,885.02
  6. Step 6: Final answer
    x = 687,260.32

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Double scale
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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.