Home / 903,142.86-1,355,526.45-482,778.06

Finding the Fourth Proportional to 903,142.86, 1,355,526.45 and 482,778.06

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Solution

The fourth proportional to 903,142.86, 1,355,526.45 and 482,778.06 is: 724,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,142.86 : 1,355,526.45 = 482,778.06 : x
  2. Step 2: Convert to fraction form
    903,142.86/1,355,526.45 = 482,778.06/x
  3. Step 3: Cross multiply
    903,142.86x = 1,355,526.45 × 482,778.06
  4. Step 4: Simplify right side
    903,142.86x = 654,418,429,809.69
  5. Step 5: Solve for x
    x = 654,418,429,809.69/903,142.86
  6. Step 6: Final answer
    x = 724,601.23

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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.