Home / 651,631.20-976,669.20-335,925.60

Finding the Fourth Proportional to 651,631.20, 976,669.20 and 335,925.60

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Solution

The fourth proportional to 651,631.20, 976,669.20 and 335,925.60 is: 503,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,631.20 : 976,669.20 = 335,925.60 : x
  2. Step 2: Convert to fraction form
    651,631.20/976,669.20 = 335,925.60/x
  3. Step 3: Cross multiply
    651,631.20x = 976,669.20 × 335,925.60
  4. Step 4: Simplify right side
    651,631.20x = 328,088,187,011.52
  5. Step 5: Solve for x
    x = 328,088,187,011.52/651,631.20
  6. Step 6: Final answer
    x = 503,487.54

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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.