Home / 547,742.21-756,095.22-490,280.18

Finding the Fourth Proportional to 547,742.21, 756,095.22 and 490,280.18

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Solution

The fourth proportional to 547,742.21, 756,095.22 and 490,280.18 is: 676,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,742.21 : 756,095.22 = 490,280.18 : x
  2. Step 2: Convert to fraction form
    547,742.21/756,095.22 = 490,280.18/x
  3. Step 3: Cross multiply
    547,742.21x = 756,095.22 × 490,280.18
  4. Step 4: Simplify right side
    547,742.21x = 370,698,496,778.26
  5. Step 5: Solve for x
    x = 370,698,496,778.26/547,742.21
  6. Step 6: Final answer
    x = 676,775.49

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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.