Home / 755,323.92-1,042,368.80-411,182.15

Finding the Fourth Proportional to 755,323.92, 1,042,368.80 and 411,182.15

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Solution

The fourth proportional to 755,323.92, 1,042,368.80 and 411,182.15 is: 567,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,323.92 : 1,042,368.80 = 411,182.15 : x
  2. Step 2: Convert to fraction form
    755,323.92/1,042,368.80 = 411,182.15/x
  3. Step 3: Cross multiply
    755,323.92x = 1,042,368.80 × 411,182.15
  4. Step 4: Simplify right side
    755,323.92x = 428,603,437,009.17
  5. Step 5: Solve for x
    x = 428,603,437,009.17/755,323.92
  6. Step 6: Final answer
    x = 567,443.22

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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.