Home / 747,577.50-1,121,832.81-304,345.50

Finding the Fourth Proportional to 747,577.50, 1,121,832.81 and 304,345.50

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Solution

The fourth proportional to 747,577.50, 1,121,832.81 and 304,345.50 is: 456,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,577.50 : 1,121,832.81 = 304,345.50 : x
  2. Step 2: Convert to fraction form
    747,577.50/1,121,832.81 = 304,345.50/x
  3. Step 3: Cross multiply
    747,577.50x = 1,121,832.81 × 304,345.50
  4. Step 4: Simplify right side
    747,577.50x = 341,424,767,475.86
  5. Step 5: Solve for x
    x = 341,424,767,475.86/747,577.50
  6. Step 6: Final answer
    x = 456,708.19

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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.