Home / 875,386.91-1,313,195.18-342,838.73

Finding the Fourth Proportional to 875,386.91, 1,313,195.18 and 342,838.73

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Solution

The fourth proportional to 875,386.91, 1,313,195.18 and 342,838.73 is: 514,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,386.91 : 1,313,195.18 = 342,838.73 : x
  2. Step 2: Convert to fraction form
    875,386.91/1,313,195.18 = 342,838.73/x
  3. Step 3: Cross multiply
    875,386.91x = 1,313,195.18 × 342,838.73
  4. Step 4: Simplify right side
    875,386.91x = 450,214,159,473.15
  5. Step 5: Solve for x
    x = 450,214,159,473.15/875,386.91
  6. Step 6: Final answer
    x = 514,303.05

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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.