Home / 980,898.40-1,470,254.10-381,660.40

Finding the Fourth Proportional to 980,898.40, 1,470,254.10 and 381,660.40

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Solution

The fourth proportional to 980,898.40, 1,470,254.10 and 381,660.40 is: 572,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,898.40 : 1,470,254.10 = 381,660.40 : x
  2. Step 2: Convert to fraction form
    980,898.40/1,470,254.10 = 381,660.40/x
  3. Step 3: Cross multiply
    980,898.40x = 1,470,254.10 × 381,660.40
  4. Step 4: Simplify right side
    980,898.40x = 561,137,767,907.64
  5. Step 5: Solve for x
    x = 561,137,767,907.64/980,898.40
  6. Step 6: Final answer
    x = 572,065.13

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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.