Home / 729,008.03-1,006,031.71-406,718.18

Finding the Fourth Proportional to 729,008.03, 1,006,031.71 and 406,718.18

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Solution

The fourth proportional to 729,008.03, 1,006,031.71 and 406,718.18 is: 561,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,008.03 : 1,006,031.71 = 406,718.18 : x
  2. Step 2: Convert to fraction form
    729,008.03/1,006,031.71 = 406,718.18/x
  3. Step 3: Cross multiply
    729,008.03x = 1,006,031.71 × 406,718.18
  4. Step 4: Simplify right side
    729,008.03x = 409,171,385,364.35
  5. Step 5: Solve for x
    x = 409,171,385,364.35/729,008.03
  6. Step 6: Final answer
    x = 561,271.44

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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.