Home / 743,019.77-1,025,349.93-437,115.85

Finding the Fourth Proportional to 743,019.77, 1,025,349.93 and 437,115.85

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Solution

The fourth proportional to 743,019.77, 1,025,349.93 and 437,115.85 is: 603,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,019.77 : 1,025,349.93 = 437,115.85 : x
  2. Step 2: Convert to fraction form
    743,019.77/1,025,349.93 = 437,115.85/x
  3. Step 3: Cross multiply
    743,019.77x = 1,025,349.93 × 437,115.85
  4. Step 4: Simplify right side
    743,019.77x = 448,196,706,199.39
  5. Step 5: Solve for x
    x = 448,196,706,199.39/743,019.77
  6. Step 6: Final answer
    x = 603,209.66

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Double scale
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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.