Home / 884,359.01-1,220,409.38-502,385.69

Finding the Fourth Proportional to 884,359.01, 1,220,409.38 and 502,385.69

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Solution

The fourth proportional to 884,359.01, 1,220,409.38 and 502,385.69 is: 693,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,359.01 : 1,220,409.38 = 502,385.69 : x
  2. Step 2: Convert to fraction form
    884,359.01/1,220,409.38 = 502,385.69/x
  3. Step 3: Cross multiply
    884,359.01x = 1,220,409.38 × 502,385.69
  4. Step 4: Simplify right side
    884,359.01x = 613,116,212,760.76
  5. Step 5: Solve for x
    x = 613,116,212,760.76/884,359.01
  6. Step 6: Final answer
    x = 693,288.82

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Double scale
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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.