Home / 993,005.85-1,370,307.72-563,276.76

Finding the Fourth Proportional to 993,005.85, 1,370,307.72 and 563,276.76

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Solution

The fourth proportional to 993,005.85, 1,370,307.72 and 563,276.76 is: 777,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,005.85 : 1,370,307.72 = 563,276.76 : x
  2. Step 2: Convert to fraction form
    993,005.85/1,370,307.72 = 563,276.76/x
  3. Step 3: Cross multiply
    993,005.85x = 1,370,307.72 × 563,276.76
  4. Step 4: Simplify right side
    993,005.85x = 771,862,485,873.05
  5. Step 5: Solve for x
    x = 771,862,485,873.05/993,005.85
  6. Step 6: Final answer
    x = 777,299.03

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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.