Home / 723,708.30-1,085,368.05-302,897.10

Finding the Fourth Proportional to 723,708.30, 1,085,368.05 and 302,897.10

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Solution

The fourth proportional to 723,708.30, 1,085,368.05 and 302,897.10 is: 454,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,708.30 : 1,085,368.05 = 302,897.10 : x
  2. Step 2: Convert to fraction form
    723,708.30/1,085,368.05 = 302,897.10/x
  3. Step 3: Cross multiply
    723,708.30x = 1,085,368.05 × 302,897.10
  4. Step 4: Simplify right side
    723,708.30x = 328,754,834,777.66
  5. Step 5: Solve for x
    x = 328,754,834,777.66/723,708.30
  6. Step 6: Final answer
    x = 454,264.29

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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.