Home / 612,938.48-845,316.72-429,082.88

Finding the Fourth Proportional to 612,938.48, 845,316.72 and 429,082.88

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Solution

The fourth proportional to 612,938.48, 845,316.72 and 429,082.88 is: 591,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,938.48 : 845,316.72 = 429,082.88 : x
  2. Step 2: Convert to fraction form
    612,938.48/845,316.72 = 429,082.88/x
  3. Step 3: Cross multiply
    612,938.48x = 845,316.72 × 429,082.88
  4. Step 4: Simplify right side
    612,938.48x = 362,710,932,729.75
  5. Step 5: Solve for x
    x = 362,710,932,729.75/612,938.48
  6. Step 6: Final answer
    x = 591,757.48

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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.