Home / 458,995.20-633,377.92-257,752.32

Finding the Fourth Proportional to 458,995.20, 633,377.92 and 257,752.32

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Solution

The fourth proportional to 458,995.20, 633,377.92 and 257,752.32 is: 355,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,995.20 : 633,377.92 = 257,752.32 : x
  2. Step 2: Convert to fraction form
    458,995.20/633,377.92 = 257,752.32/x
  3. Step 3: Cross multiply
    458,995.20x = 633,377.92 × 257,752.32
  4. Step 4: Simplify right side
    458,995.20x = 163,254,628,316.77
  5. Step 5: Solve for x
    x = 163,254,628,316.77/458,995.20
  6. Step 6: Final answer
    x = 355,678.29

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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.