Home / 993,907.80-1,371,587.58-558,264.60

Finding the Fourth Proportional to 993,907.80, 1,371,587.58 and 558,264.60

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Solution

The fourth proportional to 993,907.80, 1,371,587.58 and 558,264.60 is: 770,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,907.80 : 1,371,587.58 = 558,264.60 : x
  2. Step 2: Convert to fraction form
    993,907.80/1,371,587.58 = 558,264.60/x
  3. Step 3: Cross multiply
    993,907.80x = 1,371,587.58 × 558,264.60
  4. Step 4: Simplify right side
    993,907.80x = 765,708,791,713.67
  5. Step 5: Solve for x
    x = 765,708,791,713.67/993,907.80
  6. Step 6: Final answer
    x = 770,402.24

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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.