Home / 768,587.40-1,152,284.13-498,144.60

Finding the Fourth Proportional to 768,587.40, 1,152,284.13 and 498,144.60

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Solution

The fourth proportional to 768,587.40, 1,152,284.13 and 498,144.60 is: 746,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,587.40 : 1,152,284.13 = 498,144.60 : x
  2. Step 2: Convert to fraction form
    768,587.40/1,152,284.13 = 498,144.60/x
  3. Step 3: Cross multiply
    768,587.40x = 1,152,284.13 × 498,144.60
  4. Step 4: Simplify right side
    768,587.40x = 574,004,117,025.20
  5. Step 5: Solve for x
    x = 574,004,117,025.20/768,587.40
  6. Step 6: Final answer
    x = 746,829.99

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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.