Home / 872,542.65-1,308,804.17-340,437.34

Finding the Fourth Proportional to 872,542.65, 1,308,804.17 and 340,437.34

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Solution

The fourth proportional to 872,542.65, 1,308,804.17 and 340,437.34 is: 510,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,542.65 : 1,308,804.17 = 340,437.34 : x
  2. Step 2: Convert to fraction form
    872,542.65/1,308,804.17 = 340,437.34/x
  3. Step 3: Cross multiply
    872,542.65x = 1,308,804.17 × 340,437.34
  4. Step 4: Simplify right side
    872,542.65x = 445,565,810,215.71
  5. Step 5: Solve for x
    x = 445,565,810,215.71/872,542.65
  6. Step 6: Final answer
    x = 510,652.18

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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.