Home / 658,435.06-908,714.12-371,973.60

Finding the Fourth Proportional to 658,435.06, 908,714.12 and 371,973.60

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Solution

The fourth proportional to 658,435.06, 908,714.12 and 371,973.60 is: 513,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,435.06 : 908,714.12 = 371,973.60 : x
  2. Step 2: Convert to fraction form
    658,435.06/908,714.12 = 371,973.60/x
  3. Step 3: Cross multiply
    658,435.06x = 908,714.12 × 371,973.60
  4. Step 4: Simplify right side
    658,435.06x = 338,017,662,587.23
  5. Step 5: Solve for x
    x = 338,017,662,587.23/658,435.06
  6. Step 6: Final answer
    x = 513,365.22

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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.