Home / 777,549.07-1,070,575.80-661,033.27

Finding the Fourth Proportional to 777,549.07, 1,070,575.80 and 661,033.27

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Solution

The fourth proportional to 777,549.07, 1,070,575.80 and 661,033.27 is: 910,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,549.07 : 1,070,575.80 = 661,033.27 : x
  2. Step 2: Convert to fraction form
    777,549.07/1,070,575.80 = 661,033.27/x
  3. Step 3: Cross multiply
    777,549.07x = 1,070,575.80 × 661,033.27
  4. Step 4: Simplify right side
    777,549.07x = 707,686,223,962.98
  5. Step 5: Solve for x
    x = 707,686,223,962.98/777,549.07
  6. Step 6: Final answer
    x = 910,149.92

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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.