Home / 691,486.08-1,037,637.28-292,100.96

Finding the Fourth Proportional to 691,486.08, 1,037,637.28 and 292,100.96

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Solution

The fourth proportional to 691,486.08, 1,037,637.28 and 292,100.96 is: 438,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,486.08 : 1,037,637.28 = 292,100.96 : x
  2. Step 2: Convert to fraction form
    691,486.08/1,037,637.28 = 292,100.96/x
  3. Step 3: Cross multiply
    691,486.08x = 1,037,637.28 × 292,100.96
  4. Step 4: Simplify right side
    691,486.08x = 303,094,845,619.79
  5. Step 5: Solve for x
    x = 303,094,845,619.79/691,486.08
  6. Step 6: Final answer
    x = 438,323.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.