Home / 805,464.88-1,111,570.08-442,916.32

Finding the Fourth Proportional to 805,464.88, 1,111,570.08 and 442,916.32

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Solution

The fourth proportional to 805,464.88, 1,111,570.08 and 442,916.32 is: 611,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,464.88 : 1,111,570.08 = 442,916.32 : x
  2. Step 2: Convert to fraction form
    805,464.88/1,111,570.08 = 442,916.32/x
  3. Step 3: Cross multiply
    805,464.88x = 1,111,570.08 × 442,916.32
  4. Step 4: Simplify right side
    805,464.88x = 492,332,529,255.71
  5. Step 5: Solve for x
    x = 492,332,529,255.71/805,464.88
  6. Step 6: Final answer
    x = 611,240.22

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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.