Home / 651,380.79-898,904.81-364,902.89

Finding the Fourth Proportional to 651,380.79, 898,904.81 and 364,902.89

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Solution

The fourth proportional to 651,380.79, 898,904.81 and 364,902.89 is: 503,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,380.79 : 898,904.81 = 364,902.89 : x
  2. Step 2: Convert to fraction form
    651,380.79/898,904.81 = 364,902.89/x
  3. Step 3: Cross multiply
    651,380.79x = 898,904.81 × 364,902.89
  4. Step 4: Simplify right side
    651,380.79x = 328,012,961,179.39
  5. Step 5: Solve for x
    x = 328,012,961,179.39/651,380.79
  6. Step 6: Final answer
    x = 503,565.60

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1.5x scale

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.