Home / 914,349.83-1,371,590.48-315,302.36

Finding the Fourth Proportional to 914,349.83, 1,371,590.48 and 315,302.36

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Solution

The fourth proportional to 914,349.83, 1,371,590.48 and 315,302.36 is: 472,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,349.83 : 1,371,590.48 = 315,302.36 : x
  2. Step 2: Convert to fraction form
    914,349.83/1,371,590.48 = 315,302.36/x
  3. Step 3: Cross multiply
    914,349.83x = 1,371,590.48 × 315,302.36
  4. Step 4: Simplify right side
    914,349.83x = 432,465,709,227.84
  5. Step 5: Solve for x
    x = 432,465,709,227.84/914,349.83
  6. Step 6: Final answer
    x = 472,976.20

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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.