Home / 988,808.72-1,364,582.90-559,153.13

Finding the Fourth Proportional to 988,808.72, 1,364,582.90 and 559,153.13

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Solution

The fourth proportional to 988,808.72, 1,364,582.90 and 559,153.13 is: 771,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,808.72 : 1,364,582.90 = 559,153.13 : x
  2. Step 2: Convert to fraction form
    988,808.72/1,364,582.90 = 559,153.13/x
  3. Step 3: Cross multiply
    988,808.72x = 1,364,582.90 × 559,153.13
  4. Step 4: Simplify right side
    988,808.72x = 763,010,794,254.45
  5. Step 5: Solve for x
    x = 763,010,794,254.45/988,808.72
  6. Step 6: Final answer
    x = 771,646.51

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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.