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Finding the Fourth Proportional to 676,632.93, 933,752.93 and 370,728.40

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Solution

The fourth proportional to 676,632.93, 933,752.93 and 370,728.40 is: 511,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,632.93 : 933,752.93 = 370,728.40 : x
  2. Step 2: Convert to fraction form
    676,632.93/933,752.93 = 370,728.40/x
  3. Step 3: Cross multiply
    676,632.93x = 933,752.93 × 370,728.40
  4. Step 4: Simplify right side
    676,632.93x = 346,168,725,546.19
  5. Step 5: Solve for x
    x = 346,168,725,546.19/676,632.93
  6. Step 6: Final answer
    x = 511,604.90

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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.