Home / 768,746.73-1,153,230.35-236,312.46

Finding the Fourth Proportional to 768,746.73, 1,153,230.35 and 236,312.46

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Solution

The fourth proportional to 768,746.73, 1,153,230.35 and 236,312.46 is: 354,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,746.73 : 1,153,230.35 = 236,312.46 : x
  2. Step 2: Convert to fraction form
    768,746.73/1,153,230.35 = 236,312.46/x
  3. Step 3: Cross multiply
    768,746.73x = 1,153,230.35 × 236,312.46
  4. Step 4: Simplify right side
    768,746.73x = 272,522,699,773.60
  5. Step 5: Solve for x
    x = 272,522,699,773.60/768,746.73
  6. Step 6: Final answer
    x = 354,502.58

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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.