Home / 898,235.70-1,239,594.61-490,359.29

Finding the Fourth Proportional to 898,235.70, 1,239,594.61 and 490,359.29

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Solution

The fourth proportional to 898,235.70, 1,239,594.61 and 490,359.29 is: 676,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,235.70 : 1,239,594.61 = 490,359.29 : x
  2. Step 2: Convert to fraction form
    898,235.70/1,239,594.61 = 490,359.29/x
  3. Step 3: Cross multiply
    898,235.70x = 1,239,594.61 × 490,359.29
  4. Step 4: Simplify right side
    898,235.70x = 607,846,736,559.36
  5. Step 5: Solve for x
    x = 607,846,736,559.36/898,235.70
  6. Step 6: Final answer
    x = 676,711.84

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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.