Home / 910,695.70-1,366,109.85-349,730.20

Finding the Fourth Proportional to 910,695.70, 1,366,109.85 and 349,730.20

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Solution

The fourth proportional to 910,695.70, 1,366,109.85 and 349,730.20 is: 524,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,695.70 : 1,366,109.85 = 349,730.20 : x
  2. Step 2: Convert to fraction form
    910,695.70/1,366,109.85 = 349,730.20/x
  3. Step 3: Cross multiply
    910,695.70x = 1,366,109.85 × 349,730.20
  4. Step 4: Simplify right side
    910,695.70x = 477,769,871,062.47
  5. Step 5: Solve for x
    x = 477,769,871,062.47/910,695.70
  6. Step 6: Final answer
    x = 524,620.76

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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.