Home / 672,988.18-928,734.75-367,064.56

Finding the Fourth Proportional to 672,988.18, 928,734.75 and 367,064.56

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Solution

The fourth proportional to 672,988.18, 928,734.75 and 367,064.56 is: 506,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,988.18 : 928,734.75 = 367,064.56 : x
  2. Step 2: Convert to fraction form
    672,988.18/928,734.75 = 367,064.56/x
  3. Step 3: Cross multiply
    672,988.18x = 928,734.75 × 367,064.56
  4. Step 4: Simplify right side
    672,988.18x = 340,905,612,365.46
  5. Step 5: Solve for x
    x = 340,905,612,365.46/672,988.18
  6. Step 6: Final answer
    x = 506,555.13

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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.