Home / 895,242.57-1,235,434.70-487,347.36

Finding the Fourth Proportional to 895,242.57, 1,235,434.70 and 487,347.36

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Solution

The fourth proportional to 895,242.57, 1,235,434.70 and 487,347.36 is: 672,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,242.57 : 1,235,434.70 = 487,347.36 : x
  2. Step 2: Convert to fraction form
    895,242.57/1,235,434.70 = 487,347.36/x
  3. Step 3: Cross multiply
    895,242.57x = 1,235,434.70 × 487,347.36
  4. Step 4: Simplify right side
    895,242.57x = 602,085,839,497.39
  5. Step 5: Solve for x
    x = 602,085,839,497.39/895,242.57
  6. Step 6: Final answer
    x = 672,539.33

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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.