Home / 584,128.16-806,092.80-315,856.16

Finding the Fourth Proportional to 584,128.16, 806,092.80 and 315,856.16

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Solution

The fourth proportional to 584,128.16, 806,092.80 and 315,856.16 is: 435,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,128.16 : 806,092.80 = 315,856.16 : x
  2. Step 2: Convert to fraction form
    584,128.16/806,092.80 = 315,856.16/x
  3. Step 3: Cross multiply
    584,128.16x = 806,092.80 × 315,856.16
  4. Step 4: Simplify right side
    584,128.16x = 254,609,376,411.65
  5. Step 5: Solve for x
    x = 254,609,376,411.65/584,128.16
  6. Step 6: Final answer
    x = 435,879.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.