Home / 672,059.90-1,008,089.85-434,114.30

Finding the Fourth Proportional to 672,059.90, 1,008,089.85 and 434,114.30

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Solution

The fourth proportional to 672,059.90, 1,008,089.85 and 434,114.30 is: 651,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,059.90 : 1,008,089.85 = 434,114.30 : x
  2. Step 2: Convert to fraction form
    672,059.90/1,008,089.85 = 434,114.30/x
  3. Step 3: Cross multiply
    672,059.90x = 1,008,089.85 × 434,114.30
  4. Step 4: Simplify right side
    672,059.90x = 437,626,219,569.86
  5. Step 5: Solve for x
    x = 437,626,219,569.86/672,059.90
  6. Step 6: Final answer
    x = 651,171.45

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Double scale
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Similar ratio
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1.5x scale

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.