Home / 808,384.20-1,212,242.67-275,948.16

Finding the Fourth Proportional to 808,384.20, 1,212,242.67 and 275,948.16

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Solution

The fourth proportional to 808,384.20, 1,212,242.67 and 275,948.16 is: 413,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,384.20 : 1,212,242.67 = 275,948.16 : x
  2. Step 2: Convert to fraction form
    808,384.20/1,212,242.67 = 275,948.16/x
  3. Step 3: Cross multiply
    808,384.20x = 1,212,242.67 × 275,948.16
  4. Step 4: Simplify right side
    808,384.20x = 334,516,134,259.99
  5. Step 5: Solve for x
    x = 334,516,134,259.99/808,384.20
  6. Step 6: Final answer
    x = 413,808.35

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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.