Home / 805,478.70-1,111,564.62-442,925.94

Finding the Fourth Proportional to 805,478.70, 1,111,564.62 and 442,925.94

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Solution

The fourth proportional to 805,478.70, 1,111,564.62 and 442,925.94 is: 611,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,478.70 : 1,111,564.62 = 442,925.94 : x
  2. Step 2: Convert to fraction form
    805,478.70/1,111,564.62 = 442,925.94/x
  3. Step 3: Cross multiply
    805,478.70x = 1,111,564.62 × 442,925.94
  4. Step 4: Simplify right side
    805,478.70x = 492,340,804,184.24
  5. Step 5: Solve for x
    x = 492,340,804,184.24/805,478.70
  6. Step 6: Final answer
    x = 611,240.00

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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.