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Finding the Fourth Proportional to 676,740.83, 933,911.57 and 370,811.12

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Solution

The fourth proportional to 676,740.83, 933,911.57 and 370,811.12 is: 511,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,740.83 : 933,911.57 = 370,811.12 : x
  2. Step 2: Convert to fraction form
    676,740.83/933,911.57 = 370,811.12/x
  3. Step 3: Cross multiply
    676,740.83x = 933,911.57 × 370,811.12
  4. Step 4: Simplify right side
    676,740.83x = 346,304,791,510.13
  5. Step 5: Solve for x
    x = 346,304,791,510.13/676,740.83
  6. Step 6: Final answer
    x = 511,724.40

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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.