Home / 689,166.51-950,910.44-402,631.24

Finding the Fourth Proportional to 689,166.51, 950,910.44 and 402,631.24

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Solution

The fourth proportional to 689,166.51, 950,910.44 and 402,631.24 is: 555,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,166.51 : 950,910.44 = 402,631.24 : x
  2. Step 2: Convert to fraction form
    689,166.51/950,910.44 = 402,631.24/x
  3. Step 3: Cross multiply
    689,166.51x = 950,910.44 × 402,631.24
  4. Step 4: Simplify right side
    689,166.51x = 382,866,246,978.67
  5. Step 5: Solve for x
    x = 382,866,246,978.67/689,166.51
  6. Step 6: Final answer
    x = 555,549.70

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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.