Home / 740,587.26-1,022,008.38-401,055.42

Finding the Fourth Proportional to 740,587.26, 1,022,008.38 and 401,055.42

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Solution

The fourth proportional to 740,587.26, 1,022,008.38 and 401,055.42 is: 553,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,587.26 : 1,022,008.38 = 401,055.42 : x
  2. Step 2: Convert to fraction form
    740,587.26/1,022,008.38 = 401,055.42/x
  3. Step 3: Cross multiply
    740,587.26x = 1,022,008.38 × 401,055.42
  4. Step 4: Simplify right side
    740,587.26x = 409,882,000,084.42
  5. Step 5: Solve for x
    x = 409,882,000,084.42/740,587.26
  6. Step 6: Final answer
    x = 553,455.38

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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.