Home / 735,924.81-1,015,660.35-409,270.35

Finding the Fourth Proportional to 735,924.81, 1,015,660.35 and 409,270.35

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Solution

The fourth proportional to 735,924.81, 1,015,660.35 and 409,270.35 is: 564,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,924.81 : 1,015,660.35 = 409,270.35 : x
  2. Step 2: Convert to fraction form
    735,924.81/1,015,660.35 = 409,270.35/x
  3. Step 3: Cross multiply
    735,924.81x = 1,015,660.35 × 409,270.35
  4. Step 4: Simplify right side
    735,924.81x = 415,679,666,925.62
  5. Step 5: Solve for x
    x = 415,679,666,925.62/735,924.81
  6. Step 6: Final answer
    x = 564,839.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.