Home / 676,102.07-1,013,995.69-316,521

Finding the Fourth Proportional to 676,102.07, 1,013,995.69 and 316,521

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Solution

The fourth proportional to 676,102.07, 1,013,995.69 and 316,521 is: 474,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,102.07 : 1,013,995.69 = 316,521 : x
  2. Step 2: Convert to fraction form
    676,102.07/1,013,995.69 = 316,521/x
  3. Step 3: Cross multiply
    676,102.07x = 1,013,995.69 × 316,521
  4. Step 4: Simplify right side
    676,102.07x = 320,950,929,003.19
  5. Step 5: Solve for x
    x = 320,950,929,003.19/676,102.07
  6. Step 6: Final answer
    x = 474,707.80

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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.