Home / 745,920.20-1,118,872.04-446,484.35

Finding the Fourth Proportional to 745,920.20, 1,118,872.04 and 446,484.35

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Solution

The fourth proportional to 745,920.20, 1,118,872.04 and 446,484.35 is: 669,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,920.20 : 1,118,872.04 = 446,484.35 : x
  2. Step 2: Convert to fraction form
    745,920.20/1,118,872.04 = 446,484.35/x
  3. Step 3: Cross multiply
    745,920.20x = 1,118,872.04 × 446,484.35
  4. Step 4: Simplify right side
    745,920.20x = 499,558,847,685.79
  5. Step 5: Solve for x
    x = 499,558,847,685.79/745,920.20
  6. Step 6: Final answer
    x = 669,721.57

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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.