Home / 1,097,329.50-1,646,290.08-457,420.56

Finding the Fourth Proportional to 1,097,329.50, 1,646,290.08 and 457,420.56

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Solution

The fourth proportional to 1,097,329.50, 1,646,290.08 and 457,420.56 is: 686,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,329.50 : 1,646,290.08 = 457,420.56 : x
  2. Step 2: Convert to fraction form
    1,097,329.50/1,646,290.08 = 457,420.56/x
  3. Step 3: Cross multiply
    1,097,329.50x = 1,646,290.08 × 457,420.56
  4. Step 4: Simplify right side
    1,097,329.50x = 753,046,930,316.05
  5. Step 5: Solve for x
    x = 753,046,930,316.05/1,097,329.50
  6. Step 6: Final answer
    x = 686,254.16

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Double scale
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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.