Home / 849,420.92-1,272,730.98-493,435.64

Finding the Fourth Proportional to 849,420.92, 1,272,730.98 and 493,435.64

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Solution

The fourth proportional to 849,420.92, 1,272,730.98 and 493,435.64 is: 739,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.92 : 1,272,730.98 = 493,435.64 : x
  2. Step 2: Convert to fraction form
    849,420.92/1,272,730.98 = 493,435.64/x
  3. Step 3: Cross multiply
    849,420.92x = 1,272,730.98 × 493,435.64
  4. Step 4: Simplify right side
    849,420.92x = 628,010,825,664.13
  5. Step 5: Solve for x
    x = 628,010,825,664.13/849,420.92
  6. Step 6: Final answer
    x = 739,339.96

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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.