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Finding the Fourth Proportional to 503,559.85, 695,059.32 and 329,155.39

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Solution

The fourth proportional to 503,559.85, 695,059.32 and 329,155.39 is: 454,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,559.85 : 695,059.32 = 329,155.39 : x
  2. Step 2: Convert to fraction form
    503,559.85/695,059.32 = 329,155.39/x
  3. Step 3: Cross multiply
    503,559.85x = 695,059.32 × 329,155.39
  4. Step 4: Simplify right side
    503,559.85x = 228,782,521,547.74
  5. Step 5: Solve for x
    x = 228,782,521,547.74/503,559.85
  6. Step 6: Final answer
    x = 454,330.35

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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.