Home / 867,207.90-1,300,285.09-434,422.04

Finding the Fourth Proportional to 867,207.90, 1,300,285.09 and 434,422.04

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Solution

The fourth proportional to 867,207.90, 1,300,285.09 and 434,422.04 is: 651,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,207.90 : 1,300,285.09 = 434,422.04 : x
  2. Step 2: Convert to fraction form
    867,207.90/1,300,285.09 = 434,422.04/x
  3. Step 3: Cross multiply
    867,207.90x = 1,300,285.09 × 434,422.04
  4. Step 4: Simplify right side
    867,207.90x = 564,872,501,379.38
  5. Step 5: Solve for x
    x = 564,872,501,379.38/867,207.90
  6. Step 6: Final answer
    x = 651,369.18

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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.