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Finding the Fourth Proportional to 556,058.56, 767,372.40 and 314,326.72

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Solution

The fourth proportional to 556,058.56, 767,372.40 and 314,326.72 is: 433,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,058.56 : 767,372.40 = 314,326.72 : x
  2. Step 2: Convert to fraction form
    556,058.56/767,372.40 = 314,326.72/x
  3. Step 3: Cross multiply
    556,058.56x = 767,372.40 × 314,326.72
  4. Step 4: Simplify right side
    556,058.56x = 241,205,649,510.53
  5. Step 5: Solve for x
    x = 241,205,649,510.53/556,058.56
  6. Step 6: Final answer
    x = 433,777.42

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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.