Home / 783,870.70-1,081,685.56-435,029.82

Finding the Fourth Proportional to 783,870.70, 1,081,685.56 and 435,029.82

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Solution

The fourth proportional to 783,870.70, 1,081,685.56 and 435,029.82 is: 600,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,870.70 : 1,081,685.56 = 435,029.82 : x
  2. Step 2: Convert to fraction form
    783,870.70/1,081,685.56 = 435,029.82/x
  3. Step 3: Cross multiply
    783,870.70x = 1,081,685.56 × 435,029.82
  4. Step 4: Simplify right side
    783,870.70x = 470,565,474,463.40
  5. Step 5: Solve for x
    x = 470,565,474,463.40/783,870.70
  6. Step 6: Final answer
    x = 600,310.07

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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.