Home / 918,877.88-1,267,865.66-536,830.85

Finding the Fourth Proportional to 918,877.88, 1,267,865.66 and 536,830.85

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Solution

The fourth proportional to 918,877.88, 1,267,865.66 and 536,830.85 is: 740,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,877.88 : 1,267,865.66 = 536,830.85 : x
  2. Step 2: Convert to fraction form
    918,877.88/1,267,865.66 = 536,830.85/x
  3. Step 3: Cross multiply
    918,877.88x = 1,267,865.66 × 536,830.85
  4. Step 4: Simplify right side
    918,877.88x = 680,629,397,259.46
  5. Step 5: Solve for x
    x = 680,629,397,259.46/918,877.88
  6. Step 6: Final answer
    x = 740,718.01

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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.