Home / 772,310.40-1,159,502.40-493,065.60

Finding the Fourth Proportional to 772,310.40, 1,159,502.40 and 493,065.60

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Solution

The fourth proportional to 772,310.40, 1,159,502.40 and 493,065.60 is: 740,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,310.40 : 1,159,502.40 = 493,065.60 : x
  2. Step 2: Convert to fraction form
    772,310.40/1,159,502.40 = 493,065.60/x
  3. Step 3: Cross multiply
    772,310.40x = 1,159,502.40 × 493,065.60
  4. Step 4: Simplify right side
    772,310.40x = 571,710,746,557.44
  5. Step 5: Solve for x
    x = 571,710,746,557.44/772,310.40
  6. Step 6: Final answer
    x = 740,260.32

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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.