Home / 807,545.75-1,211,528.90-302,146.25

Finding the Fourth Proportional to 807,545.75, 1,211,528.90 and 302,146.25

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Solution

The fourth proportional to 807,545.75, 1,211,528.90 and 302,146.25 is: 453,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,545.75 : 1,211,528.90 = 302,146.25 : x
  2. Step 2: Convert to fraction form
    807,545.75/1,211,528.90 = 302,146.25/x
  3. Step 3: Cross multiply
    807,545.75x = 1,211,528.90 × 302,146.25
  4. Step 4: Simplify right side
    807,545.75x = 366,058,913,714.62
  5. Step 5: Solve for x
    x = 366,058,913,714.62/807,545.75
  6. Step 6: Final answer
    x = 453,298.05

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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.