Home / 854,331.71-1,179,001.37-472,372.16

Finding the Fourth Proportional to 854,331.71, 1,179,001.37 and 472,372.16

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Solution

The fourth proportional to 854,331.71, 1,179,001.37 and 472,372.16 is: 651,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,331.71 : 1,179,001.37 = 472,372.16 : x
  2. Step 2: Convert to fraction form
    854,331.71/1,179,001.37 = 472,372.16/x
  3. Step 3: Cross multiply
    854,331.71x = 1,179,001.37 × 472,372.16
  4. Step 4: Simplify right side
    854,331.71x = 556,927,419,075.78
  5. Step 5: Solve for x
    x = 556,927,419,075.78/854,331.71
  6. Step 6: Final answer
    x = 651,886.63

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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.