Home / 671,337.10-926,779.08-442,042.30

Finding the Fourth Proportional to 671,337.10, 926,779.08 and 442,042.30

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Solution

The fourth proportional to 671,337.10, 926,779.08 and 442,042.30 is: 610,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,337.10 : 926,779.08 = 442,042.30 : x
  2. Step 2: Convert to fraction form
    671,337.10/926,779.08 = 442,042.30/x
  3. Step 3: Cross multiply
    671,337.10x = 926,779.08 × 442,042.30
  4. Step 4: Simplify right side
    671,337.10x = 409,675,556,115.08
  5. Step 5: Solve for x
    x = 409,675,556,115.08/671,337.10
  6. Step 6: Final answer
    x = 610,238.22

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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.