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Finding the Fourth Proportional to 513,087.40, 770,552.70 and 496,498.60

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Solution

The fourth proportional to 513,087.40, 770,552.70 and 496,498.60 is: 745,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,087.40 : 770,552.70 = 496,498.60 : x
  2. Step 2: Convert to fraction form
    513,087.40/770,552.70 = 496,498.60/x
  3. Step 3: Cross multiply
    513,087.40x = 770,552.70 × 496,498.60
  4. Step 4: Simplify right side
    513,087.40x = 382,578,336,776.22
  5. Step 5: Solve for x
    x = 382,578,336,776.22/513,087.40
  6. Step 6: Final answer
    x = 745,639.70

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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.