Home / 931,449.24-1,284,648.12-625,433.40

Finding the Fourth Proportional to 931,449.24, 1,284,648.12 and 625,433.40

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Solution

The fourth proportional to 931,449.24, 1,284,648.12 and 625,433.40 is: 862,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,449.24 : 1,284,648.12 = 625,433.40 : x
  2. Step 2: Convert to fraction form
    931,449.24/1,284,648.12 = 625,433.40/x
  3. Step 3: Cross multiply
    931,449.24x = 1,284,648.12 × 625,433.40
  4. Step 4: Simplify right side
    931,449.24x = 803,461,841,495.21
  5. Step 5: Solve for x
    x = 803,461,841,495.21/931,449.24
  6. Step 6: Final answer
    x = 862,593.27

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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.