Home / 803,839.22-1,109,070.90-517,525.08

Finding the Fourth Proportional to 803,839.22, 1,109,070.90 and 517,525.08

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Solution

The fourth proportional to 803,839.22, 1,109,070.90 and 517,525.08 is: 714,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,839.22 : 1,109,070.90 = 517,525.08 : x
  2. Step 2: Convert to fraction form
    803,839.22/1,109,070.90 = 517,525.08/x
  3. Step 3: Cross multiply
    803,839.22x = 1,109,070.90 × 517,525.08
  4. Step 4: Simplify right side
    803,839.22x = 573,972,006,248.17
  5. Step 5: Solve for x
    x = 573,972,006,248.17/803,839.22
  6. Step 6: Final answer
    x = 714,038.32

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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.