Home / 690,748.49-952,868.03-475,514.89

Finding the Fourth Proportional to 690,748.49, 952,868.03 and 475,514.89

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Solution

The fourth proportional to 690,748.49, 952,868.03 and 475,514.89 is: 655,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,748.49 : 952,868.03 = 475,514.89 : x
  2. Step 2: Convert to fraction form
    690,748.49/952,868.03 = 475,514.89/x
  3. Step 3: Cross multiply
    690,748.49x = 952,868.03 × 475,514.89
  4. Step 4: Simplify right side
    690,748.49x = 453,102,937,063.21
  5. Step 5: Solve for x
    x = 453,102,937,063.21/690,748.49
  6. Step 6: Final answer
    x = 655,959.36

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Double scale
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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.