Home / 880,929.30-1,215,683.01-478,521.30

Finding the Fourth Proportional to 880,929.30, 1,215,683.01 and 478,521.30

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Solution

The fourth proportional to 880,929.30, 1,215,683.01 and 478,521.30 is: 660,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,929.30 : 1,215,683.01 = 478,521.30 : x
  2. Step 2: Convert to fraction form
    880,929.30/1,215,683.01 = 478,521.30/x
  3. Step 3: Cross multiply
    880,929.30x = 1,215,683.01 × 478,521.30
  4. Step 4: Simplify right side
    880,929.30x = 581,730,214,333.11
  5. Step 5: Solve for x
    x = 581,730,214,333.11/880,929.30
  6. Step 6: Final answer
    x = 660,359.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.