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Finding the Fourth Proportional to 653,227.25, 901,467.88 and 358,880.76

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Solution

The fourth proportional to 653,227.25, 901,467.88 and 358,880.76 is: 495,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,227.25 : 901,467.88 = 358,880.76 : x
  2. Step 2: Convert to fraction form
    653,227.25/901,467.88 = 358,880.76/x
  3. Step 3: Cross multiply
    653,227.25x = 901,467.88 × 358,880.76
  4. Step 4: Simplify right side
    653,227.25x = 323,519,477,889.99
  5. Step 5: Solve for x
    x = 323,519,477,889.99/653,227.25
  6. Step 6: Final answer
    x = 495,263.29

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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.