Home / 805,210.02-1,111,214.70-442,661.58

Finding the Fourth Proportional to 805,210.02, 1,111,214.70 and 442,661.58

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Solution

The fourth proportional to 805,210.02, 1,111,214.70 and 442,661.58 is: 610,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,210.02 : 1,111,214.70 = 442,661.58 : x
  2. Step 2: Convert to fraction form
    805,210.02/1,111,214.70 = 442,661.58/x
  3. Step 3: Cross multiply
    805,210.02x = 1,111,214.70 × 442,661.58
  4. Step 4: Simplify right side
    805,210.02x = 491,892,054,821.23
  5. Step 5: Solve for x
    x = 491,892,054,821.23/805,210.02
  6. Step 6: Final answer
    x = 610,886.65

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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.