Home / 876,157.04-1,314,037.36-402,386.96

Finding the Fourth Proportional to 876,157.04, 1,314,037.36 and 402,386.96

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Solution

The fourth proportional to 876,157.04, 1,314,037.36 and 402,386.96 is: 603,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,157.04 : 1,314,037.36 = 402,386.96 : x
  2. Step 2: Convert to fraction form
    876,157.04/1,314,037.36 = 402,386.96/x
  3. Step 3: Cross multiply
    876,157.04x = 1,314,037.36 × 402,386.96
  4. Step 4: Simplify right side
    876,157.04x = 528,751,498,616.83
  5. Step 5: Solve for x
    x = 528,751,498,616.83/876,157.04
  6. Step 6: Final answer
    x = 603,489.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.