Home / 921,504.72-1,386,473.40-547,807.44

Finding the Fourth Proportional to 921,504.72, 1,386,473.40 and 547,807.44

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Solution

The fourth proportional to 921,504.72, 1,386,473.40 and 547,807.44 is: 824,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,504.72 : 1,386,473.40 = 547,807.44 : x
  2. Step 2: Convert to fraction form
    921,504.72/1,386,473.40 = 547,807.44/x
  3. Step 3: Cross multiply
    921,504.72x = 1,386,473.40 × 547,807.44
  4. Step 4: Simplify right side
    921,504.72x = 759,520,443,882.10
  5. Step 5: Solve for x
    x = 759,520,443,882.10/921,504.72
  6. Step 6: Final answer
    x = 824,217.64

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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.