Home / 808,998.90-1,116,411.09-446,426.10

Finding the Fourth Proportional to 808,998.90, 1,116,411.09 and 446,426.10

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Solution

The fourth proportional to 808,998.90, 1,116,411.09 and 446,426.10 is: 616,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,998.90 : 1,116,411.09 = 446,426.10 : x
  2. Step 2: Convert to fraction form
    808,998.90/1,116,411.09 = 446,426.10/x
  3. Step 3: Cross multiply
    808,998.90x = 1,116,411.09 × 446,426.10
  4. Step 4: Simplify right side
    808,998.90x = 498,395,048,905.45
  5. Step 5: Solve for x
    x = 498,395,048,905.45/808,998.90
  6. Step 6: Final answer
    x = 616,063.94

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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.