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Finding the Fourth Proportional to 676,549.38, 933,639.28 and 370,619.06

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Solution

The fourth proportional to 676,549.38, 933,639.28 and 370,619.06 is: 511,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,549.38 : 933,639.28 = 370,619.06 : x
  2. Step 2: Convert to fraction form
    676,549.38/933,639.28 = 370,619.06/x
  3. Step 3: Cross multiply
    676,549.38x = 933,639.28 × 370,619.06
  4. Step 4: Simplify right side
    676,549.38x = 346,024,512,332.68
  5. Step 5: Solve for x
    x = 346,024,512,332.68/676,549.38
  6. Step 6: Final answer
    x = 511,454.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.