Home / 738,182.80-1,108,586.40-538,728.40

Finding the Fourth Proportional to 738,182.80, 1,108,586.40 and 538,728.40

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Solution

The fourth proportional to 738,182.80, 1,108,586.40 and 538,728.40 is: 809,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,182.80 : 1,108,586.40 = 538,728.40 : x
  2. Step 2: Convert to fraction form
    738,182.80/1,108,586.40 = 538,728.40/x
  3. Step 3: Cross multiply
    738,182.80x = 1,108,586.40 × 538,728.40
  4. Step 4: Simplify right side
    738,182.80x = 597,226,977,533.76
  5. Step 5: Solve for x
    x = 597,226,977,533.76/738,182.80
  6. Step 6: Final answer
    x = 809,050.25

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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.