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Finding the Fourth Proportional to 888,751.40, 1,333,127.10 and 569,886.80

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Solution

The fourth proportional to 888,751.40, 1,333,127.10 and 569,886.80 is: 854,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,751.40 : 1,333,127.10 = 569,886.80 : x
  2. Step 2: Convert to fraction form
    888,751.40/1,333,127.10 = 569,886.80/x
  3. Step 3: Cross multiply
    888,751.40x = 1,333,127.10 × 569,886.80
  4. Step 4: Simplify right side
    888,751.40x = 759,731,537,012.28
  5. Step 5: Solve for x
    x = 759,731,537,012.28/888,751.40
  6. Step 6: Final answer
    x = 854,830.20

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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.