Home / 713,250.60-1,069,875.90-319,266.60

Finding the Fourth Proportional to 713,250.60, 1,069,875.90 and 319,266.60

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Solution

The fourth proportional to 713,250.60, 1,069,875.90 and 319,266.60 is: 478,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,250.60 : 1,069,875.90 = 319,266.60 : x
  2. Step 2: Convert to fraction form
    713,250.60/1,069,875.90 = 319,266.60/x
  3. Step 3: Cross multiply
    713,250.60x = 1,069,875.90 × 319,266.60
  4. Step 4: Simplify right side
    713,250.60x = 341,575,641,014.94
  5. Step 5: Solve for x
    x = 341,575,641,014.94/713,250.60
  6. Step 6: Final answer
    x = 478,899.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.