Home / 914,906.83-1,262,574.40-507,015.40

Finding the Fourth Proportional to 914,906.83, 1,262,574.40 and 507,015.40

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Solution

The fourth proportional to 914,906.83, 1,262,574.40 and 507,015.40 is: 699,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,906.83 : 1,262,574.40 = 507,015.40 : x
  2. Step 2: Convert to fraction form
    914,906.83/1,262,574.40 = 507,015.40/x
  3. Step 3: Cross multiply
    914,906.83x = 1,262,574.40 × 507,015.40
  4. Step 4: Simplify right side
    914,906.83x = 640,144,664,445.76
  5. Step 5: Solve for x
    x = 640,144,664,445.76/914,906.83
  6. Step 6: Final answer
    x = 699,682.90

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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.