Home / 745,770.92-1,029,130.66-435,702.24

Finding the Fourth Proportional to 745,770.92, 1,029,130.66 and 435,702.24

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Solution

The fourth proportional to 745,770.92, 1,029,130.66 and 435,702.24 is: 601,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,770.92 : 1,029,130.66 = 435,702.24 : x
  2. Step 2: Convert to fraction form
    745,770.92/1,029,130.66 = 435,702.24/x
  3. Step 3: Cross multiply
    745,770.92x = 1,029,130.66 × 435,702.24
  4. Step 4: Simplify right side
    745,770.92x = 448,394,532,725.42
  5. Step 5: Solve for x
    x = 448,394,532,725.42/745,770.92
  6. Step 6: Final answer
    x = 601,249.69

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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.