Home / 476,984.40-658,300.68-307,710.96

Finding the Fourth Proportional to 476,984.40, 658,300.68 and 307,710.96

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Solution

The fourth proportional to 476,984.40, 658,300.68 and 307,710.96 is: 424,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,984.40 : 658,300.68 = 307,710.96 : x
  2. Step 2: Convert to fraction form
    476,984.40/658,300.68 = 307,710.96/x
  3. Step 3: Cross multiply
    476,984.40x = 658,300.68 × 307,710.96
  4. Step 4: Simplify right side
    476,984.40x = 202,566,334,211.45
  5. Step 5: Solve for x
    x = 202,566,334,211.45/476,984.40
  6. Step 6: Final answer
    x = 424,681.26

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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.