Home / 866,509.60-1,298,014.80-492,095.20

Finding the Fourth Proportional to 866,509.60, 1,298,014.80 and 492,095.20

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Solution

The fourth proportional to 866,509.60, 1,298,014.80 and 492,095.20 is: 737,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,509.60 : 1,298,014.80 = 492,095.20 : x
  2. Step 2: Convert to fraction form
    866,509.60/1,298,014.80 = 492,095.20/x
  3. Step 3: Cross multiply
    866,509.60x = 1,298,014.80 × 492,095.20
  4. Step 4: Simplify right side
    866,509.60x = 638,746,852,608.96
  5. Step 5: Solve for x
    x = 638,746,852,608.96/866,509.60
  6. Step 6: Final answer
    x = 737,149.19

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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.