Home / 683,730.40-1,026,251.70-347,151.10

Finding the Fourth Proportional to 683,730.40, 1,026,251.70 and 347,151.10

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Solution

The fourth proportional to 683,730.40, 1,026,251.70 and 347,151.10 is: 521,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,730.40 : 1,026,251.70 = 347,151.10 : x
  2. Step 2: Convert to fraction form
    683,730.40/1,026,251.70 = 347,151.10/x
  3. Step 3: Cross multiply
    683,730.40x = 1,026,251.70 × 347,151.10
  4. Step 4: Simplify right side
    683,730.40x = 356,264,406,531.87
  5. Step 5: Solve for x
    x = 356,264,406,531.87/683,730.40
  6. Step 6: Final answer
    x = 521,059.77

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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.