Home / 854,037.60-1,280,181.60-498,868.80

Finding the Fourth Proportional to 854,037.60, 1,280,181.60 and 498,868.80

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Solution

The fourth proportional to 854,037.60, 1,280,181.60 and 498,868.80 is: 747,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,037.60 : 1,280,181.60 = 498,868.80 : x
  2. Step 2: Convert to fraction form
    854,037.60/1,280,181.60 = 498,868.80/x
  3. Step 3: Cross multiply
    854,037.60x = 1,280,181.60 × 498,868.80
  4. Step 4: Simplify right side
    854,037.60x = 638,642,658,574.08
  5. Step 5: Solve for x
    x = 638,642,658,574.08/854,037.60
  6. Step 6: Final answer
    x = 747,792.20

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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.