Home / 740,046.80-1,109,681.40-266,661.20

Finding the Fourth Proportional to 740,046.80, 1,109,681.40 and 266,661.20

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Solution

The fourth proportional to 740,046.80, 1,109,681.40 and 266,661.20 is: 399,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,046.80 : 1,109,681.40 = 266,661.20 : x
  2. Step 2: Convert to fraction form
    740,046.80/1,109,681.40 = 266,661.20/x
  3. Step 3: Cross multiply
    740,046.80x = 1,109,681.40 × 266,661.20
  4. Step 4: Simplify right side
    740,046.80x = 295,908,973,741.68
  5. Step 5: Solve for x
    x = 295,908,973,741.68/740,046.80
  6. Step 6: Final answer
    x = 399,851.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.