Home / 875,104.20-1,312,656.30-514,905.30

Finding the Fourth Proportional to 875,104.20, 1,312,656.30 and 514,905.30

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Solution

The fourth proportional to 875,104.20, 1,312,656.30 and 514,905.30 is: 772,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,104.20 : 1,312,656.30 = 514,905.30 : x
  2. Step 2: Convert to fraction form
    875,104.20/1,312,656.30 = 514,905.30/x
  3. Step 3: Cross multiply
    875,104.20x = 1,312,656.30 × 514,905.30
  4. Step 4: Simplify right side
    875,104.20x = 675,893,685,948.39
  5. Step 5: Solve for x
    x = 675,893,685,948.39/875,104.20
  6. Step 6: Final answer
    x = 772,357.95

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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.