Home / 739,904.40-1,110,148.20-290,548.80

Finding the Fourth Proportional to 739,904.40, 1,110,148.20 and 290,548.80

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Solution

The fourth proportional to 739,904.40, 1,110,148.20 and 290,548.80 is: 435,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,904.40 : 1,110,148.20 = 290,548.80 : x
  2. Step 2: Convert to fraction form
    739,904.40/1,110,148.20 = 290,548.80/x
  3. Step 3: Cross multiply
    739,904.40x = 1,110,148.20 × 290,548.80
  4. Step 4: Simplify right side
    739,904.40x = 322,552,227,332.16
  5. Step 5: Solve for x
    x = 322,552,227,332.16/739,904.40
  6. Step 6: Final answer
    x = 435,937.71

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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.