Home / 870,025.16-1,305,513.43-337,567.21

Finding the Fourth Proportional to 870,025.16, 1,305,513.43 and 337,567.21

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Solution

The fourth proportional to 870,025.16, 1,305,513.43 and 337,567.21 is: 506,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,025.16 : 1,305,513.43 = 337,567.21 : x
  2. Step 2: Convert to fraction form
    870,025.16/1,305,513.43 = 337,567.21/x
  3. Step 3: Cross multiply
    870,025.16x = 1,305,513.43 × 337,567.21
  4. Step 4: Simplify right side
    870,025.16x = 440,698,522,074.93
  5. Step 5: Solve for x
    x = 440,698,522,074.93/870,025.16
  6. Step 6: Final answer
    x = 506,535.38

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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.