Home / 674,403.12-930,773.76-402,482.52

Finding the Fourth Proportional to 674,403.12, 930,773.76 and 402,482.52

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Solution

The fourth proportional to 674,403.12, 930,773.76 and 402,482.52 is: 555,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,403.12 : 930,773.76 = 402,482.52 : x
  2. Step 2: Convert to fraction form
    674,403.12/930,773.76 = 402,482.52/x
  3. Step 3: Cross multiply
    674,403.12x = 930,773.76 × 402,482.52
  4. Step 4: Simplify right side
    674,403.12x = 374,620,168,474.68
  5. Step 5: Solve for x
    x = 374,620,168,474.68/674,403.12
  6. Step 6: Final answer
    x = 555,484.04

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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.