Home / 740,559.70-1,110,074.10-402,886.90

Finding the Fourth Proportional to 740,559.70, 1,110,074.10 and 402,886.90

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Solution

The fourth proportional to 740,559.70, 1,110,074.10 and 402,886.90 is: 603,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,559.70 : 1,110,074.10 = 402,886.90 : x
  2. Step 2: Convert to fraction form
    740,559.70/1,110,074.10 = 402,886.90/x
  3. Step 3: Cross multiply
    740,559.70x = 1,110,074.10 × 402,886.90
  4. Step 4: Simplify right side
    740,559.70x = 447,234,312,919.29
  5. Step 5: Solve for x
    x = 447,234,312,919.29/740,559.70
  6. Step 6: Final answer
    x = 603,913.92

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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.