Home / 768,045.60-1,152,068.40-469,447.20

Finding the Fourth Proportional to 768,045.60, 1,152,068.40 and 469,447.20

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Solution

The fourth proportional to 768,045.60, 1,152,068.40 and 469,447.20 is: 704,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,045.60 : 1,152,068.40 = 469,447.20 : x
  2. Step 2: Convert to fraction form
    768,045.60/1,152,068.40 = 469,447.20/x
  3. Step 3: Cross multiply
    768,045.60x = 1,152,068.40 × 469,447.20
  4. Step 4: Simplify right side
    768,045.60x = 540,835,284,588.48
  5. Step 5: Solve for x
    x = 540,835,284,588.48/768,045.60
  6. Step 6: Final answer
    x = 704,170.80

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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.