Home / 747,216.40-1,120,970.40-297,860.80

Finding the Fourth Proportional to 747,216.40, 1,120,970.40 and 297,860.80

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Solution

The fourth proportional to 747,216.40, 1,120,970.40 and 297,860.80 is: 446,849.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,216.40 : 1,120,970.40 = 297,860.80 : x
  2. Step 2: Convert to fraction form
    747,216.40/1,120,970.40 = 297,860.80/x
  3. Step 3: Cross multiply
    747,216.40x = 1,120,970.40 × 297,860.80
  4. Step 4: Simplify right side
    747,216.40x = 333,893,140,120.32
  5. Step 5: Solve for x
    x = 333,893,140,120.32/747,216.40
  6. Step 6: Final answer
    x = 446,849.32

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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.