Home / 783,666.92-1,081,459.38-456,993.10

Finding the Fourth Proportional to 783,666.92, 1,081,459.38 and 456,993.10

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Solution

The fourth proportional to 783,666.92, 1,081,459.38 and 456,993.10 is: 630,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,666.92 : 1,081,459.38 = 456,993.10 : x
  2. Step 2: Convert to fraction form
    783,666.92/1,081,459.38 = 456,993.10/x
  3. Step 3: Cross multiply
    783,666.92x = 1,081,459.38 × 456,993.10
  4. Step 4: Simplify right side
    783,666.92x = 494,219,474,590.28
  5. Step 5: Solve for x
    x = 494,219,474,590.28/783,666.92
  6. Step 6: Final answer
    x = 630,649.91

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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.