Home / 556,121.28-767,417.52-314,389.44

Finding the Fourth Proportional to 556,121.28, 767,417.52 and 314,389.44

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Solution

The fourth proportional to 556,121.28, 767,417.52 and 314,389.44 is: 433,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,121.28 : 767,417.52 = 314,389.44 : x
  2. Step 2: Convert to fraction form
    556,121.28/767,417.52 = 314,389.44/x
  3. Step 3: Cross multiply
    556,121.28x = 767,417.52 × 314,389.44
  4. Step 4: Simplify right side
    556,121.28x = 241,267,964,358.99
  5. Step 5: Solve for x
    x = 241,267,964,358.99/556,121.28
  6. Step 6: Final answer
    x = 433,840.55

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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.