Home / 862,298.16-1,294,000.65-578,309.28

Finding the Fourth Proportional to 862,298.16, 1,294,000.65 and 578,309.28

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Solution

The fourth proportional to 862,298.16, 1,294,000.65 and 578,309.28 is: 867,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,298.16 : 1,294,000.65 = 578,309.28 : x
  2. Step 2: Convert to fraction form
    862,298.16/1,294,000.65 = 578,309.28/x
  3. Step 3: Cross multiply
    862,298.16x = 1,294,000.65 × 578,309.28
  4. Step 4: Simplify right side
    862,298.16x = 748,332,584,221.03
  5. Step 5: Solve for x
    x = 748,332,584,221.03/862,298.16
  6. Step 6: Final answer
    x = 867,835.07

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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.