Home / 760,372.23-1,049,242.59-454,387.89

Finding the Fourth Proportional to 760,372.23, 1,049,242.59 and 454,387.89

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Solution

The fourth proportional to 760,372.23, 1,049,242.59 and 454,387.89 is: 627,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,372.23 : 1,049,242.59 = 454,387.89 : x
  2. Step 2: Convert to fraction form
    760,372.23/1,049,242.59 = 454,387.89/x
  3. Step 3: Cross multiply
    760,372.23x = 1,049,242.59 × 454,387.89
  4. Step 4: Simplify right side
    760,372.23x = 476,763,126,568.24
  5. Step 5: Solve for x
    x = 476,763,126,568.24/760,372.23
  6. Step 6: Final answer
    x = 627,012.81

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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.