Home / 805,482.70-1,111,570.14-442,929.94

Finding the Fourth Proportional to 805,482.70, 1,111,570.14 and 442,929.94

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Solution

The fourth proportional to 805,482.70, 1,111,570.14 and 442,929.94 is: 611,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,482.70 : 1,111,570.14 = 442,929.94 : x
  2. Step 2: Convert to fraction form
    805,482.70/1,111,570.14 = 442,929.94/x
  3. Step 3: Cross multiply
    805,482.70x = 1,111,570.14 × 442,929.94
  4. Step 4: Simplify right side
    805,482.70x = 492,347,695,415.99
  5. Step 5: Solve for x
    x = 492,347,695,415.99/805,482.70
  6. Step 6: Final answer
    x = 611,245.52

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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.