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Finding the Fourth Proportional to 648,466.68, 894,880.50 and 376,601.40

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Solution

The fourth proportional to 648,466.68, 894,880.50 and 376,601.40 is: 519,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,466.68 : 894,880.50 = 376,601.40 : x
  2. Step 2: Convert to fraction form
    648,466.68/894,880.50 = 376,601.40/x
  3. Step 3: Cross multiply
    648,466.68x = 894,880.50 × 376,601.40
  4. Step 4: Simplify right side
    648,466.68x = 337,013,249,132.70
  5. Step 5: Solve for x
    x = 337,013,249,132.70/648,466.68
  6. Step 6: Final answer
    x = 519,707.89

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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.