Home / 910,015.20-1,365,022.80-898,205.40

Finding the Fourth Proportional to 910,015.20, 1,365,022.80 and 898,205.40

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Solution

The fourth proportional to 910,015.20, 1,365,022.80 and 898,205.40 is: 1,347,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,015.20 : 1,365,022.80 = 898,205.40 : x
  2. Step 2: Convert to fraction form
    910,015.20/1,365,022.80 = 898,205.40/x
  3. Step 3: Cross multiply
    910,015.20x = 1,365,022.80 × 898,205.40
  4. Step 4: Simplify right side
    910,015.20x = 1,226,070,850,083.12
  5. Step 5: Solve for x
    x = 1,226,070,850,083.12/910,015.20
  6. Step 6: Final answer
    x = 1,347,308.10

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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.