Home / 931,462.74-1,284,666.75-625,446.90

Finding the Fourth Proportional to 931,462.74, 1,284,666.75 and 625,446.90

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Solution

The fourth proportional to 931,462.74, 1,284,666.75 and 625,446.90 is: 862,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,462.74 : 1,284,666.75 = 625,446.90 : x
  2. Step 2: Convert to fraction form
    931,462.74/1,284,666.75 = 625,446.90/x
  3. Step 3: Cross multiply
    931,462.74x = 1,284,666.75 × 625,446.90
  4. Step 4: Simplify right side
    931,462.74x = 803,490,836,320.58
  5. Step 5: Solve for x
    x = 803,490,836,320.58/931,462.74
  6. Step 6: Final answer
    x = 862,611.89

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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.