Home / 993,487.60-1,490,236.26-362,400.40

Finding the Fourth Proportional to 993,487.60, 1,490,236.26 and 362,400.40

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Solution

The fourth proportional to 993,487.60, 1,490,236.26 and 362,400.40 is: 543,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,487.60 : 1,490,236.26 = 362,400.40 : x
  2. Step 2: Convert to fraction form
    993,487.60/1,490,236.26 = 362,400.40/x
  3. Step 3: Cross multiply
    993,487.60x = 1,490,236.26 × 362,400.40
  4. Step 4: Simplify right side
    993,487.60x = 540,062,216,718.50
  5. Step 5: Solve for x
    x = 540,062,216,718.50/993,487.60
  6. Step 6: Final answer
    x = 543,602.37

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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.