Home / 975,344.34-1,345,977.16-545,631.65

Finding the Fourth Proportional to 975,344.34, 1,345,977.16 and 545,631.65

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Solution

The fourth proportional to 975,344.34, 1,345,977.16 and 545,631.65 is: 752,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,344.34 : 1,345,977.16 = 545,631.65 : x
  2. Step 2: Convert to fraction form
    975,344.34/1,345,977.16 = 545,631.65/x
  3. Step 3: Cross multiply
    975,344.34x = 1,345,977.16 × 545,631.65
  4. Step 4: Simplify right side
    975,344.34x = 734,407,730,579.15
  5. Step 5: Solve for x
    x = 734,407,730,579.15/975,344.34
  6. Step 6: Final answer
    x = 752,972.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.