Home / 943,221.52-1,301,815.47-556,013.85

Finding the Fourth Proportional to 943,221.52, 1,301,815.47 and 556,013.85

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Solution

The fourth proportional to 943,221.52, 1,301,815.47 and 556,013.85 is: 767,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,221.52 : 1,301,815.47 = 556,013.85 : x
  2. Step 2: Convert to fraction form
    943,221.52/1,301,815.47 = 556,013.85/x
  3. Step 3: Cross multiply
    943,221.52x = 1,301,815.47 × 556,013.85
  4. Step 4: Simplify right side
    943,221.52x = 723,827,431,464.26
  5. Step 5: Solve for x
    x = 723,827,431,464.26/943,221.52
  6. Step 6: Final answer
    x = 767,399.19

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1.5x scale

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.