Home / 807,545.16-1,209,765.36-451,479.36

Finding the Fourth Proportional to 807,545.16, 1,209,765.36 and 451,479.36

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Solution

The fourth proportional to 807,545.16, 1,209,765.36 and 451,479.36 is: 676,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,545.16 : 1,209,765.36 = 451,479.36 : x
  2. Step 2: Convert to fraction form
    807,545.16/1,209,765.36 = 451,479.36/x
  3. Step 3: Cross multiply
    807,545.16x = 1,209,765.36 × 451,479.36
  4. Step 4: Simplify right side
    807,545.16x = 546,184,090,482.97
  5. Step 5: Solve for x
    x = 546,184,090,482.97/807,545.16
  6. Step 6: Final answer
    x = 676,351.14

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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.