Home / 426,081.50-637,956.45-414,788.07

Finding the Fourth Proportional to 426,081.50, 637,956.45 and 414,788.07

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Solution

The fourth proportional to 426,081.50, 637,956.45 and 414,788.07 is: 621,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,081.50 : 637,956.45 = 414,788.07 : x
  2. Step 2: Convert to fraction form
    426,081.50/637,956.45 = 414,788.07/x
  3. Step 3: Cross multiply
    426,081.50x = 637,956.45 × 414,788.07
  4. Step 4: Simplify right side
    426,081.50x = 264,616,724,639.55
  5. Step 5: Solve for x
    x = 264,616,724,639.55/426,081.50
  6. Step 6: Final answer
    x = 621,047.21

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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.