Home / 755,531.02-1,127,768.78-665,853.10

Finding the Fourth Proportional to 755,531.02, 1,127,768.78 and 665,853.10

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Solution

The fourth proportional to 755,531.02, 1,127,768.78 and 665,853.10 is: 993,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,531.02 : 1,127,768.78 = 665,853.10 : x
  2. Step 2: Convert to fraction form
    755,531.02/1,127,768.78 = 665,853.10/x
  3. Step 3: Cross multiply
    755,531.02x = 1,127,768.78 × 665,853.10
  4. Step 4: Simplify right side
    755,531.02x = 750,928,338,246.22
  5. Step 5: Solve for x
    x = 750,928,338,246.22/755,531.02
  6. Step 6: Final answer
    x = 993,908.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.