Home / 855,041.76-1,282,561.44-342,937.92

Finding the Fourth Proportional to 855,041.76, 1,282,561.44 and 342,937.92

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Solution

The fourth proportional to 855,041.76, 1,282,561.44 and 342,937.92 is: 514,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,041.76 : 1,282,561.44 = 342,937.92 : x
  2. Step 2: Convert to fraction form
    855,041.76/1,282,561.44 = 342,937.92/x
  3. Step 3: Cross multiply
    855,041.76x = 1,282,561.44 × 342,937.92
  4. Step 4: Simplify right side
    855,041.76x = 439,838,952,505.81
  5. Step 5: Solve for x
    x = 439,838,952,505.81/855,041.76
  6. Step 6: Final answer
    x = 514,406.40

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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.