Home / 745,920.95-1,118,873.16-446,485.10

Finding the Fourth Proportional to 745,920.95, 1,118,873.16 and 446,485.10

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Solution

The fourth proportional to 745,920.95, 1,118,873.16 and 446,485.10 is: 669,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,920.95 : 1,118,873.16 = 446,485.10 : x
  2. Step 2: Convert to fraction form
    745,920.95/1,118,873.16 = 446,485.10/x
  3. Step 3: Cross multiply
    745,920.95x = 1,118,873.16 × 446,485.10
  4. Step 4: Simplify right side
    745,920.95x = 499,560,189,135.55
  5. Step 5: Solve for x
    x = 499,560,189,135.55/745,920.95
  6. Step 6: Final answer
    x = 669,722.70

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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.