Home / 829,528.91-1,144,138.74-625,588.43

Finding the Fourth Proportional to 829,528.91, 1,144,138.74 and 625,588.43

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Solution

The fourth proportional to 829,528.91, 1,144,138.74 and 625,588.43 is: 862,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,528.91 : 1,144,138.74 = 625,588.43 : x
  2. Step 2: Convert to fraction form
    829,528.91/1,144,138.74 = 625,588.43/x
  3. Step 3: Cross multiply
    829,528.91x = 1,144,138.74 × 625,588.43
  4. Step 4: Simplify right side
    829,528.91x = 715,759,956,427.91
  5. Step 5: Solve for x
    x = 715,759,956,427.91/829,528.91
  6. Step 6: Final answer
    x = 862,851.12

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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.