Home / 770,477.80-1,157,028.90-547,403.80

Finding the Fourth Proportional to 770,477.80, 1,157,028.90 and 547,403.80

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Solution

The fourth proportional to 770,477.80, 1,157,028.90 and 547,403.80 is: 822,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,477.80 : 1,157,028.90 = 547,403.80 : x
  2. Step 2: Convert to fraction form
    770,477.80/1,157,028.90 = 547,403.80/x
  3. Step 3: Cross multiply
    770,477.80x = 1,157,028.90 × 547,403.80
  4. Step 4: Simplify right side
    770,477.80x = 633,362,016,569.82
  5. Step 5: Solve for x
    x = 633,362,016,569.82/770,477.80
  6. Step 6: Final answer
    x = 822,037.98

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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.