Home / 652,208.02-977,853.72-287,296.50

Finding the Fourth Proportional to 652,208.02, 977,853.72 and 287,296.50

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Solution

The fourth proportional to 652,208.02, 977,853.72 and 287,296.50 is: 430,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,208.02 : 977,853.72 = 287,296.50 : x
  2. Step 2: Convert to fraction form
    652,208.02/977,853.72 = 287,296.50/x
  3. Step 3: Cross multiply
    652,208.02x = 977,853.72 × 287,296.50
  4. Step 4: Simplify right side
    652,208.02x = 280,933,951,267.98
  5. Step 5: Solve for x
    x = 280,933,951,267.98/652,208.02
  6. Step 6: Final answer
    x = 430,742.87

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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.