Home / 931,647.20-1,397,125.20-370,565.60

Finding the Fourth Proportional to 931,647.20, 1,397,125.20 and 370,565.60

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Solution

The fourth proportional to 931,647.20, 1,397,125.20 and 370,565.60 is: 555,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,647.20 : 1,397,125.20 = 370,565.60 : x
  2. Step 2: Convert to fraction form
    931,647.20/1,397,125.20 = 370,565.60/x
  3. Step 3: Cross multiply
    931,647.20x = 1,397,125.20 × 370,565.60
  4. Step 4: Simplify right side
    931,647.20x = 517,726,538,013.12
  5. Step 5: Solve for x
    x = 517,726,538,013.12/931,647.20
  6. Step 6: Final answer
    x = 555,710.94

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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.