Home / 457,948.76-631,239.08-360,994.50

Finding the Fourth Proportional to 457,948.76, 631,239.08 and 360,994.50

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Solution

The fourth proportional to 457,948.76, 631,239.08 and 360,994.50 is: 497,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,948.76 : 631,239.08 = 360,994.50 : x
  2. Step 2: Convert to fraction form
    457,948.76/631,239.08 = 360,994.50/x
  3. Step 3: Cross multiply
    457,948.76x = 631,239.08 × 360,994.50
  4. Step 4: Simplify right side
    457,948.76x = 227,873,838,545.64
  5. Step 5: Solve for x
    x = 227,873,838,545.64/457,948.76
  6. Step 6: Final answer
    x = 497,596.80

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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.