Home / 866,030.36-1,298,713.43-297,305.46

Finding the Fourth Proportional to 866,030.36, 1,298,713.43 and 297,305.46

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Solution

The fourth proportional to 866,030.36, 1,298,713.43 and 297,305.46 is: 445,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,030.36 : 1,298,713.43 = 297,305.46 : x
  2. Step 2: Convert to fraction form
    866,030.36/1,298,713.43 = 297,305.46/x
  3. Step 3: Cross multiply
    866,030.36x = 1,298,713.43 × 297,305.46
  4. Step 4: Simplify right side
    866,030.36x = 386,114,594,457.59
  5. Step 5: Solve for x
    x = 386,114,594,457.59/866,030.36
  6. Step 6: Final answer
    x = 445,844.18

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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.