Home / 903,403.23-1,353,900.77-476,838.78

Finding the Fourth Proportional to 903,403.23, 1,353,900.77 and 476,838.78

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Solution

The fourth proportional to 903,403.23, 1,353,900.77 and 476,838.78 is: 714,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,403.23 : 1,353,900.77 = 476,838.78 : x
  2. Step 2: Convert to fraction form
    903,403.23/1,353,900.77 = 476,838.78/x
  3. Step 3: Cross multiply
    903,403.23x = 1,353,900.77 × 476,838.78
  4. Step 4: Simplify right side
    903,403.23x = 645,592,385,638.92
  5. Step 5: Solve for x
    x = 645,592,385,638.92/903,403.23
  6. Step 6: Final answer
    x = 714,622.62

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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.