Home / 745,676.10-1,029,032.46-406,144.35

Finding the Fourth Proportional to 745,676.10, 1,029,032.46 and 406,144.35

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Solution

The fourth proportional to 745,676.10, 1,029,032.46 and 406,144.35 is: 560,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,676.10 : 1,029,032.46 = 406,144.35 : x
  2. Step 2: Convert to fraction form
    745,676.10/1,029,032.46 = 406,144.35/x
  3. Step 3: Cross multiply
    745,676.10x = 1,029,032.46 × 406,144.35
  4. Step 4: Simplify right side
    745,676.10x = 417,935,719,595.60
  5. Step 5: Solve for x
    x = 417,935,719,595.60/745,676.10
  6. Step 6: Final answer
    x = 560,478.90

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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.