Home / 692,070.10-1,036,987.35-391,657.30

Finding the Fourth Proportional to 692,070.10, 1,036,987.35 and 391,657.30

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Solution

The fourth proportional to 692,070.10, 1,036,987.35 and 391,657.30 is: 586,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,070.10 : 1,036,987.35 = 391,657.30 : x
  2. Step 2: Convert to fraction form
    692,070.10/1,036,987.35 = 391,657.30/x
  3. Step 3: Cross multiply
    692,070.10x = 1,036,987.35 × 391,657.30
  4. Step 4: Simplify right side
    692,070.10x = 406,143,665,635.16
  5. Step 5: Solve for x
    x = 406,143,665,635.16/692,070.10
  6. Step 6: Final answer
    x = 586,853.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.