Home / 910,311.46-1,365,643.35-349,302.34

Finding the Fourth Proportional to 910,311.46, 1,365,643.35 and 349,302.34

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Solution

The fourth proportional to 910,311.46, 1,365,643.35 and 349,302.34 is: 524,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,311.46 : 1,365,643.35 = 349,302.34 : x
  2. Step 2: Convert to fraction form
    910,311.46/1,365,643.35 = 349,302.34/x
  3. Step 3: Cross multiply
    910,311.46x = 1,365,643.35 × 349,302.34
  4. Step 4: Simplify right side
    910,311.46x = 477,022,417,760.44
  5. Step 5: Solve for x
    x = 477,022,417,760.44/910,311.46
  6. Step 6: Final answer
    x = 524,021.11

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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.