Home / 690,690.60-1,036,035.90-410,063.40

Finding the Fourth Proportional to 690,690.60, 1,036,035.90 and 410,063.40

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Solution

The fourth proportional to 690,690.60, 1,036,035.90 and 410,063.40 is: 615,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,690.60 : 1,036,035.90 = 410,063.40 : x
  2. Step 2: Convert to fraction form
    690,690.60/1,036,035.90 = 410,063.40/x
  3. Step 3: Cross multiply
    690,690.60x = 1,036,035.90 × 410,063.40
  4. Step 4: Simplify right side
    690,690.60x = 424,840,403,676.06
  5. Step 5: Solve for x
    x = 424,840,403,676.06/690,690.60
  6. Step 6: Final answer
    x = 615,095.10

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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.