Home / 890,537.76-1,229,068.08-551,115.36

Finding the Fourth Proportional to 890,537.76, 1,229,068.08 and 551,115.36

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Solution

The fourth proportional to 890,537.76, 1,229,068.08 and 551,115.36 is: 760,617.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,537.76 : 1,229,068.08 = 551,115.36 : x
  2. Step 2: Convert to fraction form
    890,537.76/1,229,068.08 = 551,115.36/x
  3. Step 3: Cross multiply
    890,537.76x = 1,229,068.08 × 551,115.36
  4. Step 4: Simplify right side
    890,537.76x = 677,358,297,373.71
  5. Step 5: Solve for x
    x = 677,358,297,373.71/890,537.76
  6. Step 6: Final answer
    x = 760,617.15

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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.