Home / 904,037.40-1,356,056.10-272,869.20

Finding the Fourth Proportional to 904,037.40, 1,356,056.10 and 272,869.20

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Solution

The fourth proportional to 904,037.40, 1,356,056.10 and 272,869.20 is: 409,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,037.40 : 1,356,056.10 = 272,869.20 : x
  2. Step 2: Convert to fraction form
    904,037.40/1,356,056.10 = 272,869.20/x
  3. Step 3: Cross multiply
    904,037.40x = 1,356,056.10 × 272,869.20
  4. Step 4: Simplify right side
    904,037.40x = 370,025,943,162.12
  5. Step 5: Solve for x
    x = 370,025,943,162.12/904,037.40
  6. Step 6: Final answer
    x = 409,303.80

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Double scale
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Similar ratio
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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.