Home / 866,510.10-1,298,015.55-492,095.70

Finding the Fourth Proportional to 866,510.10, 1,298,015.55 and 492,095.70

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Solution

The fourth proportional to 866,510.10, 1,298,015.55 and 492,095.70 is: 737,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,510.10 : 1,298,015.55 = 492,095.70 : x
  2. Step 2: Convert to fraction form
    866,510.10/1,298,015.55 = 492,095.70/x
  3. Step 3: Cross multiply
    866,510.10x = 1,298,015.55 × 492,095.70
  4. Step 4: Simplify right side
    866,510.10x = 638,747,870,688.14
  5. Step 5: Solve for x
    x = 638,747,870,688.14/866,510.10
  6. Step 6: Final answer
    x = 737,149.94

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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.