Home / 688,746.54-950,424.10-382,803.06

Finding the Fourth Proportional to 688,746.54, 950,424.10 and 382,803.06

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Solution

The fourth proportional to 688,746.54, 950,424.10 and 382,803.06 is: 528,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,746.54 : 950,424.10 = 382,803.06 : x
  2. Step 2: Convert to fraction form
    688,746.54/950,424.10 = 382,803.06/x
  3. Step 3: Cross multiply
    688,746.54x = 950,424.10 × 382,803.06
  4. Step 4: Simplify right side
    688,746.54x = 363,825,253,777.75
  5. Step 5: Solve for x
    x = 363,825,253,777.75/688,746.54
  6. Step 6: Final answer
    x = 528,242.59

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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.