Home / 749,939.47-1,034,915.80-423,321.23

Finding the Fourth Proportional to 749,939.47, 1,034,915.80 and 423,321.23

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Solution

The fourth proportional to 749,939.47, 1,034,915.80 and 423,321.23 is: 584,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,939.47 : 1,034,915.80 = 423,321.23 : x
  2. Step 2: Convert to fraction form
    749,939.47/1,034,915.80 = 423,321.23/x
  3. Step 3: Cross multiply
    749,939.47x = 1,034,915.80 × 423,321.23
  4. Step 4: Simplify right side
    749,939.47x = 438,101,830,290.35
  5. Step 5: Solve for x
    x = 438,101,830,290.35/749,939.47
  6. Step 6: Final answer
    x = 584,182.92

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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.