Home / 697,234.80-1,046,543.40-342,649.20

Finding the Fourth Proportional to 697,234.80, 1,046,543.40 and 342,649.20

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Solution

The fourth proportional to 697,234.80, 1,046,543.40 and 342,649.20 is: 514,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,234.80 : 1,046,543.40 = 342,649.20 : x
  2. Step 2: Convert to fraction form
    697,234.80/1,046,543.40 = 342,649.20/x
  3. Step 3: Cross multiply
    697,234.80x = 1,046,543.40 × 342,649.20
  4. Step 4: Simplify right side
    697,234.80x = 358,597,258,775.28
  5. Step 5: Solve for x
    x = 358,597,258,775.28/697,234.80
  6. Step 6: Final answer
    x = 514,313.48

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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.