Home / 762,577.96-1,142,943-425,259.76

Finding the Fourth Proportional to 762,577.96, 1,142,943 and 425,259.76

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Solution

The fourth proportional to 762,577.96, 1,142,943 and 425,259.76 is: 637,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,577.96 : 1,142,943 = 425,259.76 : x
  2. Step 2: Convert to fraction form
    762,577.96/1,142,943 = 425,259.76/x
  3. Step 3: Cross multiply
    762,577.96x = 1,142,943 × 425,259.76
  4. Step 4: Simplify right side
    762,577.96x = 486,047,665,873.68
  5. Step 5: Solve for x
    x = 486,047,665,873.68/762,577.96
  6. Step 6: Final answer
    x = 637,374.39

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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.