Home / 768,258.10-1,152,387.14-207,292.60

Finding the Fourth Proportional to 768,258.10, 1,152,387.14 and 207,292.60

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Solution

The fourth proportional to 768,258.10, 1,152,387.14 and 207,292.60 is: 310,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,258.10 : 1,152,387.14 = 207,292.60 : x
  2. Step 2: Convert to fraction form
    768,258.10/1,152,387.14 = 207,292.60/x
  3. Step 3: Cross multiply
    768,258.10x = 1,152,387.14 × 207,292.60
  4. Step 4: Simplify right side
    768,258.10x = 238,881,326,457.16
  5. Step 5: Solve for x
    x = 238,881,326,457.16/768,258.10
  6. Step 6: Final answer
    x = 310,938.90

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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.