Home / 760,371.23-1,049,241.21-454,386.89

Finding the Fourth Proportional to 760,371.23, 1,049,241.21 and 454,386.89

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Solution

The fourth proportional to 760,371.23, 1,049,241.21 and 454,386.89 is: 627,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,371.23 : 1,049,241.21 = 454,386.89 : x
  2. Step 2: Convert to fraction form
    760,371.23/1,049,241.21 = 454,386.89/x
  3. Step 3: Cross multiply
    760,371.23x = 1,049,241.21 × 454,386.89
  4. Step 4: Simplify right side
    760,371.23x = 476,761,450,271.74
  5. Step 5: Solve for x
    x = 476,761,450,271.74/760,371.23
  6. Step 6: Final answer
    x = 627,011.43

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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.