Home / 851,263.79-1,276,617.87-282,492.11

Finding the Fourth Proportional to 851,263.79, 1,276,617.87 and 282,492.11

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Solution

The fourth proportional to 851,263.79, 1,276,617.87 and 282,492.11 is: 423,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,263.79 : 1,276,617.87 = 282,492.11 : x
  2. Step 2: Convert to fraction form
    851,263.79/1,276,617.87 = 282,492.11/x
  3. Step 3: Cross multiply
    851,263.79x = 1,276,617.87 × 282,492.11
  4. Step 4: Simplify right side
    851,263.79x = 360,634,475,760.01
  5. Step 5: Solve for x
    x = 360,634,475,760.01/851,263.79
  6. Step 6: Final answer
    x = 423,645.97

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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.