Home / 905,032.80-1,248,872.40-523,084.32

Finding the Fourth Proportional to 905,032.80, 1,248,872.40 and 523,084.32

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Solution

The fourth proportional to 905,032.80, 1,248,872.40 and 523,084.32 is: 721,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,032.80 : 1,248,872.40 = 523,084.32 : x
  2. Step 2: Convert to fraction form
    905,032.80/1,248,872.40 = 523,084.32/x
  3. Step 3: Cross multiply
    905,032.80x = 1,248,872.40 × 523,084.32
  4. Step 4: Simplify right side
    905,032.80x = 653,265,570,120.77
  5. Step 5: Solve for x
    x = 653,265,570,120.77/905,032.80
  6. Step 6: Final answer
    x = 721,814.25

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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.