Home / 721,631.41-1,082,874.74-402,050.77

Finding the Fourth Proportional to 721,631.41, 1,082,874.74 and 402,050.77

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Solution

The fourth proportional to 721,631.41, 1,082,874.74 and 402,050.77 is: 603,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,631.41 : 1,082,874.74 = 402,050.77 : x
  2. Step 2: Convert to fraction form
    721,631.41/1,082,874.74 = 402,050.77/x
  3. Step 3: Cross multiply
    721,631.41x = 1,082,874.74 × 402,050.77
  4. Step 4: Simplify right side
    721,631.41x = 435,370,621,020.30
  5. Step 5: Solve for x
    x = 435,370,621,020.30/721,631.41
  6. Step 6: Final answer
    x = 603,314.40

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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.