Home / 674,310.59-930,566.90-402,536.28

Finding the Fourth Proportional to 674,310.59, 930,566.90 and 402,536.28

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Solution

The fourth proportional to 674,310.59, 930,566.90 and 402,536.28 is: 555,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,310.59 : 930,566.90 = 402,536.28 : x
  2. Step 2: Convert to fraction form
    674,310.59/930,566.90 = 402,536.28/x
  3. Step 3: Cross multiply
    674,310.59x = 930,566.90 × 402,536.28
  4. Step 4: Simplify right side
    674,310.59x = 374,586,936,204.45
  5. Step 5: Solve for x
    x = 374,586,936,204.45/674,310.59
  6. Step 6: Final answer
    x = 555,510.98

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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.