Home / 525,746.67-788,619.71-126,387.32

Finding the Fourth Proportional to 525,746.67, 788,619.71 and 126,387.32

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Solution

The fourth proportional to 525,746.67, 788,619.71 and 126,387.32 is: 189,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,746.67 : 788,619.71 = 126,387.32 : x
  2. Step 2: Convert to fraction form
    525,746.67/788,619.71 = 126,387.32/x
  3. Step 3: Cross multiply
    525,746.67x = 788,619.71 × 126,387.32
  4. Step 4: Simplify right side
    525,746.67x = 99,671,532,454.93
  5. Step 5: Solve for x
    x = 99,671,532,454.93/525,746.67
  6. Step 6: Final answer
    x = 189,580.91

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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.