Home / 918,988.24-1,267,323.64-608,399.17

Finding the Fourth Proportional to 918,988.24, 1,267,323.64 and 608,399.17

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Solution

The fourth proportional to 918,988.24, 1,267,323.64 and 608,399.17 is: 839,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,988.24 : 1,267,323.64 = 608,399.17 : x
  2. Step 2: Convert to fraction form
    918,988.24/1,267,323.64 = 608,399.17/x
  3. Step 3: Cross multiply
    918,988.24x = 1,267,323.64 × 608,399.17
  4. Step 4: Simplify right side
    918,988.24x = 771,038,650,697.38
  5. Step 5: Solve for x
    x = 771,038,650,697.38/918,988.24
  6. Step 6: Final answer
    x = 839,008.18

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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.