Home / 694,539.20-1,041,808.80-608,830.40

Finding the Fourth Proportional to 694,539.20, 1,041,808.80 and 608,830.40

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Solution

The fourth proportional to 694,539.20, 1,041,808.80 and 608,830.40 is: 913,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,539.20 : 1,041,808.80 = 608,830.40 : x
  2. Step 2: Convert to fraction form
    694,539.20/1,041,808.80 = 608,830.40/x
  3. Step 3: Cross multiply
    694,539.20x = 1,041,808.80 × 608,830.40
  4. Step 4: Simplify right side
    694,539.20x = 634,284,868,427.52
  5. Step 5: Solve for x
    x = 634,284,868,427.52/694,539.20
  6. Step 6: Final answer
    x = 913,245.60

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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.