Home / 808,565.10-1,212,847.65-743,246.70

Finding the Fourth Proportional to 808,565.10, 1,212,847.65 and 743,246.70

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Solution

The fourth proportional to 808,565.10, 1,212,847.65 and 743,246.70 is: 1,114,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,565.10 : 1,212,847.65 = 743,246.70 : x
  2. Step 2: Convert to fraction form
    808,565.10/1,212,847.65 = 743,246.70/x
  3. Step 3: Cross multiply
    808,565.10x = 1,212,847.65 × 743,246.70
  4. Step 4: Simplify right side
    808,565.10x = 901,445,013,465.26
  5. Step 5: Solve for x
    x = 901,445,013,465.26/808,565.10
  6. Step 6: Final answer
    x = 1,114,870.05

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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.