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Finding the Fourth Proportional to 895,258.06, 1,342,901.03 and 498,421.15

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Solution

The fourth proportional to 895,258.06, 1,342,901.03 and 498,421.15 is: 747,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,258.06 : 1,342,901.03 = 498,421.15 : x
  2. Step 2: Convert to fraction form
    895,258.06/1,342,901.03 = 498,421.15/x
  3. Step 3: Cross multiply
    895,258.06x = 1,342,901.03 × 498,421.15
  4. Step 4: Simplify right side
    895,258.06x = 669,330,269,859.43
  5. Step 5: Solve for x
    x = 669,330,269,859.43/895,258.06
  6. Step 6: Final answer
    x = 747,639.48

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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.