Home / 654,357.83-903,004.20-363,966.35

Finding the Fourth Proportional to 654,357.83, 903,004.20 and 363,966.35

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Solution

The fourth proportional to 654,357.83, 903,004.20 and 363,966.35 is: 502,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,357.83 : 903,004.20 = 363,966.35 : x
  2. Step 2: Convert to fraction form
    654,357.83/903,004.20 = 363,966.35/x
  3. Step 3: Cross multiply
    654,357.83x = 903,004.20 × 363,966.35
  4. Step 4: Simplify right side
    654,357.83x = 328,663,138,193.65
  5. Step 5: Solve for x
    x = 328,663,138,193.65/654,357.83
  6. Step 6: Final answer
    x = 502,268.22

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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.