Home / 691,803.60-1,035,631.80-608,859.60

Finding the Fourth Proportional to 691,803.60, 1,035,631.80 and 608,859.60

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Solution

The fourth proportional to 691,803.60, 1,035,631.80 and 608,859.60 is: 911,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,803.60 : 1,035,631.80 = 608,859.60 : x
  2. Step 2: Convert to fraction form
    691,803.60/1,035,631.80 = 608,859.60/x
  3. Step 3: Cross multiply
    691,803.60x = 1,035,631.80 × 608,859.60
  4. Step 4: Simplify right side
    691,803.60x = 630,554,363,495.28
  5. Step 5: Solve for x
    x = 630,554,363,495.28/691,803.60
  6. Step 6: Final answer
    x = 911,464.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.