Home / 931,753.60-1,396,708.80-370,038.40

Finding the Fourth Proportional to 931,753.60, 1,396,708.80 and 370,038.40

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Solution

The fourth proportional to 931,753.60, 1,396,708.80 and 370,038.40 is: 554,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,753.60 : 1,396,708.80 = 370,038.40 : x
  2. Step 2: Convert to fraction form
    931,753.60/1,396,708.80 = 370,038.40/x
  3. Step 3: Cross multiply
    931,753.60x = 1,396,708.80 × 370,038.40
  4. Step 4: Simplify right side
    931,753.60x = 516,835,889,617.92
  5. Step 5: Solve for x
    x = 516,835,889,617.92/931,753.60
  6. Step 6: Final answer
    x = 554,691.59

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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.