Home / 767,465.28-1,059,392.79-603,697.86

Finding the Fourth Proportional to 767,465.28, 1,059,392.79 and 603,697.86

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Solution

The fourth proportional to 767,465.28, 1,059,392.79 and 603,697.86 is: 833,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,465.28 : 1,059,392.79 = 603,697.86 : x
  2. Step 2: Convert to fraction form
    767,465.28/1,059,392.79 = 603,697.86/x
  3. Step 3: Cross multiply
    767,465.28x = 1,059,392.79 × 603,697.86
  4. Step 4: Simplify right side
    767,465.28x = 639,553,160,222.43
  5. Step 5: Solve for x
    x = 639,553,160,222.43/767,465.28
  6. Step 6: Final answer
    x = 833,331.72

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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.