Home / 658,365.18-908,180.16-535,989.20

Finding the Fourth Proportional to 658,365.18, 908,180.16 and 535,989.20

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Solution

The fourth proportional to 658,365.18, 908,180.16 and 535,989.20 is: 739,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,365.18 : 908,180.16 = 535,989.20 : x
  2. Step 2: Convert to fraction form
    658,365.18/908,180.16 = 535,989.20/x
  3. Step 3: Cross multiply
    658,365.18x = 908,180.16 × 535,989.20
  4. Step 4: Simplify right side
    658,365.18x = 486,774,752,873.37
  5. Step 5: Solve for x
    x = 486,774,752,873.37/658,365.18
  6. Step 6: Final answer
    x = 739,368.92

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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.