Home / 912,771.62-1,369,830.15-433,000.93

Finding the Fourth Proportional to 912,771.62, 1,369,830.15 and 433,000.93

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Solution

The fourth proportional to 912,771.62, 1,369,830.15 and 433,000.93 is: 649,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,771.62 : 1,369,830.15 = 433,000.93 : x
  2. Step 2: Convert to fraction form
    912,771.62/1,369,830.15 = 433,000.93/x
  3. Step 3: Cross multiply
    912,771.62x = 1,369,830.15 × 433,000.93
  4. Step 4: Simplify right side
    912,771.62x = 593,137,719,877.88
  5. Step 5: Solve for x
    x = 593,137,719,877.88/912,771.62
  6. Step 6: Final answer
    x = 649,820.51

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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.