Home / 747,815.40-1,120,167.90-623,399.40

Finding the Fourth Proportional to 747,815.40, 1,120,167.90 and 623,399.40

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Solution

The fourth proportional to 747,815.40, 1,120,167.90 and 623,399.40 is: 933,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,815.40 : 1,120,167.90 = 623,399.40 : x
  2. Step 2: Convert to fraction form
    747,815.40/1,120,167.90 = 623,399.40/x
  3. Step 3: Cross multiply
    747,815.40x = 1,120,167.90 × 623,399.40
  4. Step 4: Simplify right side
    747,815.40x = 698,311,996,759.26
  5. Step 5: Solve for x
    x = 698,311,996,759.26/747,815.40
  6. Step 6: Final answer
    x = 933,802.64

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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.