Home / 740,585.52-1,022,008.05-401,053.77

Finding the Fourth Proportional to 740,585.52, 1,022,008.05 and 401,053.77

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Solution

The fourth proportional to 740,585.52, 1,022,008.05 and 401,053.77 is: 553,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,585.52 : 1,022,008.05 = 401,053.77 : x
  2. Step 2: Convert to fraction form
    740,585.52/1,022,008.05 = 401,053.77/x
  3. Step 3: Cross multiply
    740,585.52x = 1,022,008.05 × 401,053.77
  4. Step 4: Simplify right side
    740,585.52x = 409,880,181,422.85
  5. Step 5: Solve for x
    x = 409,880,181,422.85/740,585.52
  6. Step 6: Final answer
    x = 553,454.22

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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.