Home / 438,673.02-658,271.97-402,981.18

Finding the Fourth Proportional to 438,673.02, 658,271.97 and 402,981.18

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Solution

The fourth proportional to 438,673.02, 658,271.97 and 402,981.18 is: 604,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,673.02 : 658,271.97 = 402,981.18 : x
  2. Step 2: Convert to fraction form
    438,673.02/658,271.97 = 402,981.18/x
  3. Step 3: Cross multiply
    438,673.02x = 658,271.97 × 402,981.18
  4. Step 4: Simplify right side
    438,673.02x = 265,271,215,231.53
  5. Step 5: Solve for x
    x = 265,271,215,231.53/438,673.02
  6. Step 6: Final answer
    x = 604,712.86

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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.