Home / 760,764.18-1,049,780.82-454,779.24

Finding the Fourth Proportional to 760,764.18, 1,049,780.82 and 454,779.24

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Solution

The fourth proportional to 760,764.18, 1,049,780.82 and 454,779.24 is: 627,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,764.18 : 1,049,780.82 = 454,779.24 : x
  2. Step 2: Convert to fraction form
    760,764.18/1,049,780.82 = 454,779.24/x
  3. Step 3: Cross multiply
    760,764.18x = 1,049,780.82 × 454,779.24
  4. Step 4: Simplify right side
    760,764.18x = 477,418,523,486.18
  5. Step 5: Solve for x
    x = 477,418,523,486.18/760,764.18
  6. Step 6: Final answer
    x = 627,551.26

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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.