Home / 930,920.10-1,396,275.59-257,097.20

Finding the Fourth Proportional to 930,920.10, 1,396,275.59 and 257,097.20

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Solution

The fourth proportional to 930,920.10, 1,396,275.59 and 257,097.20 is: 385,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,920.10 : 1,396,275.59 = 257,097.20 : x
  2. Step 2: Convert to fraction form
    930,920.10/1,396,275.59 = 257,097.20/x
  3. Step 3: Cross multiply
    930,920.10x = 1,396,275.59 × 257,097.20
  4. Step 4: Simplify right side
    930,920.10x = 358,978,539,059.94
  5. Step 5: Solve for x
    x = 358,978,539,059.94/930,920.10
  6. Step 6: Final answer
    x = 385,616.92

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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.