Home / 731,451.02-1,009,605.30-425,586.48

Finding the Fourth Proportional to 731,451.02, 1,009,605.30 and 425,586.48

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Solution

The fourth proportional to 731,451.02, 1,009,605.30 and 425,586.48 is: 587,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,451.02 : 1,009,605.30 = 425,586.48 : x
  2. Step 2: Convert to fraction form
    731,451.02/1,009,605.30 = 425,586.48/x
  3. Step 3: Cross multiply
    731,451.02x = 1,009,605.30 × 425,586.48
  4. Step 4: Simplify right side
    731,451.02x = 429,674,360,434.38
  5. Step 5: Solve for x
    x = 429,674,360,434.38/731,451.02
  6. Step 6: Final answer
    x = 587,427.39

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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.