Home / 889,210.76-1,333,819.56-215,290.94

Finding the Fourth Proportional to 889,210.76, 1,333,819.56 and 215,290.94

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Solution

The fourth proportional to 889,210.76, 1,333,819.56 and 215,290.94 is: 322,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,210.76 : 1,333,819.56 = 215,290.94 : x
  2. Step 2: Convert to fraction form
    889,210.76/1,333,819.56 = 215,290.94/x
  3. Step 3: Cross multiply
    889,210.76x = 1,333,819.56 × 215,290.94
  4. Step 4: Simplify right side
    889,210.76x = 287,159,266,862.79
  5. Step 5: Solve for x
    x = 287,159,266,862.79/889,210.76
  6. Step 6: Final answer
    x = 322,937.24

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1.5x scale

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.