Home / 993,439.26-1,370,908.08-563,693.76

Finding the Fourth Proportional to 993,439.26, 1,370,908.08 and 563,693.76

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Solution

The fourth proportional to 993,439.26, 1,370,908.08 and 563,693.76 is: 777,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,439.26 : 1,370,908.08 = 563,693.76 : x
  2. Step 2: Convert to fraction form
    993,439.26/1,370,908.08 = 563,693.76/x
  3. Step 3: Cross multiply
    993,439.26x = 1,370,908.08 × 563,693.76
  4. Step 4: Simplify right side
    993,439.26x = 772,772,330,229.58
  5. Step 5: Solve for x
    x = 772,772,330,229.58/993,439.26
  6. Step 6: Final answer
    x = 777,875.77

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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.