Home / 788,436.77-1,183,402.85-488,008.58

Finding the Fourth Proportional to 788,436.77, 1,183,402.85 and 488,008.58

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Solution

The fourth proportional to 788,436.77, 1,183,402.85 and 488,008.58 is: 732,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,436.77 : 1,183,402.85 = 488,008.58 : x
  2. Step 2: Convert to fraction form
    788,436.77/1,183,402.85 = 488,008.58/x
  3. Step 3: Cross multiply
    788,436.77x = 1,183,402.85 × 488,008.58
  4. Step 4: Simplify right side
    788,436.77x = 577,510,741,956.41
  5. Step 5: Solve for x
    x = 577,510,741,956.41/788,436.77
  6. Step 6: Final answer
    x = 732,475.66

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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.