Home / 906,498.30-1,250,970.15-498,641.93

Finding the Fourth Proportional to 906,498.30, 1,250,970.15 and 498,641.93

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Solution

The fourth proportional to 906,498.30, 1,250,970.15 and 498,641.93 is: 688,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,498.30 : 1,250,970.15 = 498,641.93 : x
  2. Step 2: Convert to fraction form
    906,498.30/1,250,970.15 = 498,641.93/x
  3. Step 3: Cross multiply
    906,498.30x = 1,250,970.15 × 498,641.93
  4. Step 4: Simplify right side
    906,498.30x = 623,786,169,968.39
  5. Step 5: Solve for x
    x = 623,786,169,968.39/906,498.30
  6. Step 6: Final answer
    x = 688,127.24

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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.