Home / 805,038.65-1,110,949.95-442,477.79

Finding the Fourth Proportional to 805,038.65, 1,110,949.95 and 442,477.79

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Solution

The fourth proportional to 805,038.65, 1,110,949.95 and 442,477.79 is: 610,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,038.65 : 1,110,949.95 = 442,477.79 : x
  2. Step 2: Convert to fraction form
    805,038.65/1,110,949.95 = 442,477.79/x
  3. Step 3: Cross multiply
    805,038.65x = 1,110,949.95 × 442,477.79
  4. Step 4: Simplify right side
    805,038.65x = 491,570,678,676.61
  5. Step 5: Solve for x
    x = 491,570,678,676.61/805,038.65
  6. Step 6: Final answer
    x = 610,617.49

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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.