Home / 898,006.70-1,347,994.20-561,427.40

Finding the Fourth Proportional to 898,006.70, 1,347,994.20 and 561,427.40

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Solution

The fourth proportional to 898,006.70, 1,347,994.20 and 561,427.40 is: 842,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,006.70 : 1,347,994.20 = 561,427.40 : x
  2. Step 2: Convert to fraction form
    898,006.70/1,347,994.20 = 561,427.40/x
  3. Step 3: Cross multiply
    898,006.70x = 1,347,994.20 × 561,427.40
  4. Step 4: Simplify right side
    898,006.70x = 756,800,878,921.08
  5. Step 5: Solve for x
    x = 756,800,878,921.08/898,006.70
  6. Step 6: Final answer
    x = 842,756.38

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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.