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Finding the Fourth Proportional to 653,226.25, 901,466.50 and 358,879.76

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Solution

The fourth proportional to 653,226.25, 901,466.50 and 358,879.76 is: 495,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,226.25 : 901,466.50 = 358,879.76 : x
  2. Step 2: Convert to fraction form
    653,226.25/901,466.50 = 358,879.76/x
  3. Step 3: Cross multiply
    653,226.25x = 901,466.50 × 358,879.76
  4. Step 4: Simplify right side
    653,226.25x = 323,518,081,168.04
  5. Step 5: Solve for x
    x = 323,518,081,168.04/653,226.25
  6. Step 6: Final answer
    x = 495,261.91

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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.