Home / 898,711.08-1,348,483.40-393,205.38

Finding the Fourth Proportional to 898,711.08, 1,348,483.40 and 393,205.38

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Solution

The fourth proportional to 898,711.08, 1,348,483.40 and 393,205.38 is: 589,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,711.08 : 1,348,483.40 = 393,205.38 : x
  2. Step 2: Convert to fraction form
    898,711.08/1,348,483.40 = 393,205.38/x
  3. Step 3: Cross multiply
    898,711.08x = 1,348,483.40 × 393,205.38
  4. Step 4: Simplify right side
    898,711.08x = 530,230,927,720.69
  5. Step 5: Solve for x
    x = 530,230,927,720.69/898,711.08
  6. Step 6: Final answer
    x = 589,990.42

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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.