Home / 772,557.60-1,158,836.40-489,122.40

Finding the Fourth Proportional to 772,557.60, 1,158,836.40 and 489,122.40

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Solution

The fourth proportional to 772,557.60, 1,158,836.40 and 489,122.40 is: 733,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,557.60 : 1,158,836.40 = 489,122.40 : x
  2. Step 2: Convert to fraction form
    772,557.60/1,158,836.40 = 489,122.40/x
  3. Step 3: Cross multiply
    772,557.60x = 1,158,836.40 × 489,122.40
  4. Step 4: Simplify right side
    772,557.60x = 566,812,841,175.36
  5. Step 5: Solve for x
    x = 566,812,841,175.36/772,557.60
  6. Step 6: Final answer
    x = 733,683.60

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Double scale
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1.5x scale

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.