Home / 897,911.04-1,239,143.37-490,039.11

Finding the Fourth Proportional to 897,911.04, 1,239,143.37 and 490,039.11

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Solution

The fourth proportional to 897,911.04, 1,239,143.37 and 490,039.11 is: 676,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,911.04 : 1,239,143.37 = 490,039.11 : x
  2. Step 2: Convert to fraction form
    897,911.04/1,239,143.37 = 490,039.11/x
  3. Step 3: Cross multiply
    897,911.04x = 1,239,143.37 × 490,039.11
  4. Step 4: Simplify right side
    897,911.04x = 607,228,714,197.20
  5. Step 5: Solve for x
    x = 607,228,714,197.20/897,911.04
  6. Step 6: Final answer
    x = 676,268.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.