Home / 807,015.30-1,207,412.55-527,079.30

Finding the Fourth Proportional to 807,015.30, 1,207,412.55 and 527,079.30

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Solution

The fourth proportional to 807,015.30, 1,207,412.55 and 527,079.30 is: 788,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,015.30 : 1,207,412.55 = 527,079.30 : x
  2. Step 2: Convert to fraction form
    807,015.30/1,207,412.55 = 527,079.30/x
  3. Step 3: Cross multiply
    807,015.30x = 1,207,412.55 × 527,079.30
  4. Step 4: Simplify right side
    807,015.30x = 636,402,161,665.22
  5. Step 5: Solve for x
    x = 636,402,161,665.22/807,015.30
  6. Step 6: Final answer
    x = 788,587.48

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1.5x scale

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.