Home / 993,037.80-1,490,172.30-520,062.60

Finding the Fourth Proportional to 993,037.80, 1,490,172.30 and 520,062.60

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Solution

The fourth proportional to 993,037.80, 1,490,172.30 and 520,062.60 is: 780,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,037.80 : 1,490,172.30 = 520,062.60 : x
  2. Step 2: Convert to fraction form
    993,037.80/1,490,172.30 = 520,062.60/x
  3. Step 3: Cross multiply
    993,037.80x = 1,490,172.30 × 520,062.60
  4. Step 4: Simplify right side
    993,037.80x = 774,982,880,785.98
  5. Step 5: Solve for x
    x = 774,982,880,785.98/993,037.80
  6. Step 6: Final answer
    x = 780,416.30

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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.