Home / 808,669.07-1,115,960.18-446,115.50

Finding the Fourth Proportional to 808,669.07, 1,115,960.18 and 446,115.50

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Solution

The fourth proportional to 808,669.07, 1,115,960.18 and 446,115.50 is: 615,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,669.07 : 1,115,960.18 = 446,115.50 : x
  2. Step 2: Convert to fraction form
    808,669.07/1,115,960.18 = 446,115.50/x
  3. Step 3: Cross multiply
    808,669.07x = 1,115,960.18 × 446,115.50
  4. Step 4: Simplify right side
    808,669.07x = 497,847,125,870.41
  5. Step 5: Solve for x
    x = 497,847,125,870.41/808,669.07
  6. Step 6: Final answer
    x = 615,637.65

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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.