Home / 805,214.50-1,111,210.05-442,653.64

Finding the Fourth Proportional to 805,214.50, 1,111,210.05 and 442,653.64

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Solution

The fourth proportional to 805,214.50, 1,111,210.05 and 442,653.64 is: 610,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,214.50 : 1,111,210.05 = 442,653.64 : x
  2. Step 2: Convert to fraction form
    805,214.50/1,111,210.05 = 442,653.64/x
  3. Step 3: Cross multiply
    805,214.50x = 1,111,210.05 × 442,653.64
  4. Step 4: Simplify right side
    805,214.50x = 491,881,173,437.08
  5. Step 5: Solve for x
    x = 491,881,173,437.08/805,214.50
  6. Step 6: Final answer
    x = 610,869.74

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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.