Home / 983,451.12-1,475,439.19-352,428.72

Finding the Fourth Proportional to 983,451.12, 1,475,439.19 and 352,428.72

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Solution

The fourth proportional to 983,451.12, 1,475,439.19 and 352,428.72 is: 528,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,451.12 : 1,475,439.19 = 352,428.72 : x
  2. Step 2: Convert to fraction form
    983,451.12/1,475,439.19 = 352,428.72/x
  3. Step 3: Cross multiply
    983,451.12x = 1,475,439.19 × 352,428.72
  4. Step 4: Simplify right side
    983,451.12x = 519,987,145,610.07
  5. Step 5: Solve for x
    x = 519,987,145,610.07/983,451.12
  6. Step 6: Final answer
    x = 528,737.15

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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.