Home / 743,532.48-1,026,072.80-404,001.92

Finding the Fourth Proportional to 743,532.48, 1,026,072.80 and 404,001.92

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Solution

The fourth proportional to 743,532.48, 1,026,072.80 and 404,001.92 is: 557,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,532.48 : 1,026,072.80 = 404,001.92 : x
  2. Step 2: Convert to fraction form
    743,532.48/1,026,072.80 = 404,001.92/x
  3. Step 3: Cross multiply
    743,532.48x = 1,026,072.80 × 404,001.92
  4. Step 4: Simplify right side
    743,532.48x = 414,535,381,259.78
  5. Step 5: Solve for x
    x = 414,535,381,259.78/743,532.48
  6. Step 6: Final answer
    x = 557,521.55

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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.