Home / 906,341.64-1,250,726.46-498,443.46

Finding the Fourth Proportional to 906,341.64, 1,250,726.46 and 498,443.46

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Solution

The fourth proportional to 906,341.64, 1,250,726.46 and 498,443.46 is: 687,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,341.64 : 1,250,726.46 = 498,443.46 : x
  2. Step 2: Convert to fraction form
    906,341.64/1,250,726.46 = 498,443.46/x
  3. Step 3: Cross multiply
    906,341.64x = 1,250,726.46 × 498,443.46
  4. Step 4: Simplify right side
    906,341.64x = 623,416,424,235.95
  5. Step 5: Solve for x
    x = 623,416,424,235.95/906,341.64
  6. Step 6: Final answer
    x = 687,838.22

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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.