Home / 870,701.37-1,306,426.27-450,272.49

Finding the Fourth Proportional to 870,701.37, 1,306,426.27 and 450,272.49

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Solution

The fourth proportional to 870,701.37, 1,306,426.27 and 450,272.49 is: 675,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,701.37 : 1,306,426.27 = 450,272.49 : x
  2. Step 2: Convert to fraction form
    870,701.37/1,306,426.27 = 450,272.49/x
  3. Step 3: Cross multiply
    870,701.37x = 1,306,426.27 × 450,272.49
  4. Step 4: Simplify right side
    870,701.37x = 588,247,809,594.31
  5. Step 5: Solve for x
    x = 588,247,809,594.31/870,701.37
  6. Step 6: Final answer
    x = 675,602.26

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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.