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Finding the Fourth Proportional to 608,420.10, 910,880.55 and 372,224.10

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Solution

The fourth proportional to 608,420.10, 910,880.55 and 372,224.10 is: 557,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,420.10 : 910,880.55 = 372,224.10 : x
  2. Step 2: Convert to fraction form
    608,420.10/910,880.55 = 372,224.10/x
  3. Step 3: Cross multiply
    608,420.10x = 910,880.55 × 372,224.10
  4. Step 4: Simplify right side
    608,420.10x = 339,051,692,931.26
  5. Step 5: Solve for x
    x = 339,051,692,931.26/608,420.10
  6. Step 6: Final answer
    x = 557,265.77

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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.