Home / 690,829.60-1,036,244.40-410,202.40

Finding the Fourth Proportional to 690,829.60, 1,036,244.40 and 410,202.40

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Solution

The fourth proportional to 690,829.60, 1,036,244.40 and 410,202.40 is: 615,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,829.60 : 1,036,244.40 = 410,202.40 : x
  2. Step 2: Convert to fraction form
    690,829.60/1,036,244.40 = 410,202.40/x
  3. Step 3: Cross multiply
    690,829.60x = 1,036,244.40 × 410,202.40
  4. Step 4: Simplify right side
    690,829.60x = 425,069,939,866.56
  5. Step 5: Solve for x
    x = 425,069,939,866.56/690,829.60
  6. Step 6: Final answer
    x = 615,303.60

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1.5x scale

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.