Home / 559,208.05-771,715.90-304,559.04

Finding the Fourth Proportional to 559,208.05, 771,715.90 and 304,559.04

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Solution

The fourth proportional to 559,208.05, 771,715.90 and 304,559.04 is: 420,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,208.05 : 771,715.90 = 304,559.04 : x
  2. Step 2: Convert to fraction form
    559,208.05/771,715.90 = 304,559.04/x
  3. Step 3: Cross multiply
    559,208.05x = 771,715.90 × 304,559.04
  4. Step 4: Simplify right side
    559,208.05x = 235,033,053,656.74
  5. Step 5: Solve for x
    x = 235,033,053,656.74/559,208.05
  6. Step 6: Final answer
    x = 420,296.26

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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.