Home / 558,903.63-771,287.13-304,254.75

Finding the Fourth Proportional to 558,903.63, 771,287.13 and 304,254.75

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Solution

The fourth proportional to 558,903.63, 771,287.13 and 304,254.75 is: 419,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,903.63 : 771,287.13 = 304,254.75 : x
  2. Step 2: Convert to fraction form
    558,903.63/771,287.13 = 304,254.75/x
  3. Step 3: Cross multiply
    558,903.63x = 771,287.13 × 304,254.75
  4. Step 4: Simplify right side
    558,903.63x = 234,667,772,916.37
  5. Step 5: Solve for x
    x = 234,667,772,916.37/558,903.63
  6. Step 6: Final answer
    x = 419,871.62

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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.