Home / 429,010.02-591,990.12-247,779.81

Finding the Fourth Proportional to 429,010.02, 591,990.12 and 247,779.81

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Solution

The fourth proportional to 429,010.02, 591,990.12 and 247,779.81 is: 341,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,010.02 : 591,990.12 = 247,779.81 : x
  2. Step 2: Convert to fraction form
    429,010.02/591,990.12 = 247,779.81/x
  3. Step 3: Cross multiply
    429,010.02x = 591,990.12 × 247,779.81
  4. Step 4: Simplify right side
    429,010.02x = 146,683,199,455.48
  5. Step 5: Solve for x
    x = 146,683,199,455.48/429,010.02
  6. Step 6: Final answer
    x = 341,910.89

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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.