Home / 438,037.59-604,621.15-256,788.75

Finding the Fourth Proportional to 438,037.59, 604,621.15 and 256,788.75

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Solution

The fourth proportional to 438,037.59, 604,621.15 and 256,788.75 is: 354,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,037.59 : 604,621.15 = 256,788.75 : x
  2. Step 2: Convert to fraction form
    438,037.59/604,621.15 = 256,788.75/x
  3. Step 3: Cross multiply
    438,037.59x = 604,621.15 × 256,788.75
  4. Step 4: Simplify right side
    438,037.59x = 155,259,909,332.06
  5. Step 5: Solve for x
    x = 155,259,909,332.06/438,037.59
  6. Step 6: Final answer
    x = 354,444.26

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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.