Home / 866,482.08-1,300,030.92-386,666.24

Finding the Fourth Proportional to 866,482.08, 1,300,030.92 and 386,666.24

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Solution

The fourth proportional to 866,482.08, 1,300,030.92 and 386,666.24 is: 580,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,482.08 : 1,300,030.92 = 386,666.24 : x
  2. Step 2: Convert to fraction form
    866,482.08/1,300,030.92 = 386,666.24/x
  3. Step 3: Cross multiply
    866,482.08x = 1,300,030.92 × 386,666.24
  4. Step 4: Simplify right side
    866,482.08x = 502,678,067,720.14
  5. Step 5: Solve for x
    x = 502,678,067,720.14/866,482.08
  6. Step 6: Final answer
    x = 580,136.72

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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.