Home / 549,142.35-757,907.13-376,918.83

Finding the Fourth Proportional to 549,142.35, 757,907.13 and 376,918.83

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Solution

The fourth proportional to 549,142.35, 757,907.13 and 376,918.83 is: 520,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,142.35 : 757,907.13 = 376,918.83 : x
  2. Step 2: Convert to fraction form
    549,142.35/757,907.13 = 376,918.83/x
  3. Step 3: Cross multiply
    549,142.35x = 757,907.13 × 376,918.83
  4. Step 4: Simplify right side
    549,142.35x = 285,669,468,688.26
  5. Step 5: Solve for x
    x = 285,669,468,688.26/549,142.35
  6. Step 6: Final answer
    x = 520,210.23

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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.