Home / 317,409.34-437,479.38-302,461.18

Finding the Fourth Proportional to 317,409.34, 437,479.38 and 302,461.18

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Solution

The fourth proportional to 317,409.34, 437,479.38 and 302,461.18 is: 416,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,409.34 : 437,479.38 = 302,461.18 : x
  2. Step 2: Convert to fraction form
    317,409.34/437,479.38 = 302,461.18/x
  3. Step 3: Cross multiply
    317,409.34x = 437,479.38 × 302,461.18
  4. Step 4: Simplify right side
    317,409.34x = 132,320,529,500.47
  5. Step 5: Solve for x
    x = 132,320,529,500.47/317,409.34
  6. Step 6: Final answer
    x = 416,876.61

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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.