Home / 903,777.04-1,355,427.96-429,518.80

Finding the Fourth Proportional to 903,777.04, 1,355,427.96 and 429,518.80

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Solution

The fourth proportional to 903,777.04, 1,355,427.96 and 429,518.80 is: 644,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,777.04 : 1,355,427.96 = 429,518.80 : x
  2. Step 2: Convert to fraction form
    903,777.04/1,355,427.96 = 429,518.80/x
  3. Step 3: Cross multiply
    903,777.04x = 1,355,427.96 × 429,518.80
  4. Step 4: Simplify right side
    903,777.04x = 582,181,790,865.65
  5. Step 5: Solve for x
    x = 582,181,790,865.65/903,777.04
  6. Step 6: Final answer
    x = 644,165.28

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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.