Home / 918,688.11-1,267,847.01-510,881.19

Finding the Fourth Proportional to 918,688.11, 1,267,847.01 and 510,881.19

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Solution

The fourth proportional to 918,688.11, 1,267,847.01 and 510,881.19 is: 705,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,688.11 : 1,267,847.01 = 510,881.19 : x
  2. Step 2: Convert to fraction form
    918,688.11/1,267,847.01 = 510,881.19/x
  3. Step 3: Cross multiply
    918,688.11x = 1,267,847.01 × 510,881.19
  4. Step 4: Simplify right side
    918,688.11x = 647,719,189,206.74
  5. Step 5: Solve for x
    x = 647,719,189,206.74/918,688.11
  6. Step 6: Final answer
    x = 705,047.97

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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.