Home / 910,385.31-1,365,643.58-349,419.81

Finding the Fourth Proportional to 910,385.31, 1,365,643.58 and 349,419.81

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Solution

The fourth proportional to 910,385.31, 1,365,643.58 and 349,419.81 is: 524,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,385.31 : 1,365,643.58 = 349,419.81 : x
  2. Step 2: Convert to fraction form
    910,385.31/1,365,643.58 = 349,419.81/x
  3. Step 3: Cross multiply
    910,385.31x = 1,365,643.58 × 349,419.81
  4. Step 4: Simplify right side
    910,385.31x = 477,182,920,251.32
  5. Step 5: Solve for x
    x = 477,182,920,251.32/910,385.31
  6. Step 6: Final answer
    x = 524,154.90

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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.