Home / 540,153.24-745,426.85-298,451.67

Finding the Fourth Proportional to 540,153.24, 745,426.85 and 298,451.67

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Solution

The fourth proportional to 540,153.24, 745,426.85 and 298,451.67 is: 411,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,153.24 : 745,426.85 = 298,451.67 : x
  2. Step 2: Convert to fraction form
    540,153.24/745,426.85 = 298,451.67/x
  3. Step 3: Cross multiply
    540,153.24x = 745,426.85 × 298,451.67
  4. Step 4: Simplify right side
    540,153.24x = 222,473,886,753.08
  5. Step 5: Solve for x
    x = 222,473,886,753.08/540,153.24
  6. Step 6: Final answer
    x = 411,871.80

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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.