Home / 739,897.12-1,109,985.60-234,585.28

Finding the Fourth Proportional to 739,897.12, 1,109,985.60 and 234,585.28

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Solution

The fourth proportional to 739,897.12, 1,109,985.60 and 234,585.28 is: 351,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,897.12 : 1,109,985.60 = 234,585.28 : x
  2. Step 2: Convert to fraction form
    739,897.12/1,109,985.60 = 234,585.28/x
  3. Step 3: Cross multiply
    739,897.12x = 1,109,985.60 × 234,585.28
  4. Step 4: Simplify right side
    739,897.12x = 260,386,282,771.97
  5. Step 5: Solve for x
    x = 260,386,282,771.97/739,897.12
  6. Step 6: Final answer
    x = 351,922.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.