Home / 757,740.93-1,045,680.33-418,206.75

Finding the Fourth Proportional to 757,740.93, 1,045,680.33 and 418,206.75

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Solution

The fourth proportional to 757,740.93, 1,045,680.33 and 418,206.75 is: 577,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,740.93 : 1,045,680.33 = 418,206.75 : x
  2. Step 2: Convert to fraction form
    757,740.93/1,045,680.33 = 418,206.75/x
  3. Step 3: Cross multiply
    757,740.93x = 1,045,680.33 × 418,206.75
  4. Step 4: Simplify right side
    757,740.93x = 437,310,572,348.23
  5. Step 5: Solve for x
    x = 437,310,572,348.23/757,740.93
  6. Step 6: Final answer
    x = 577,124.13

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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.