Home / 870,700.37-1,306,424.77-450,271.49

Finding the Fourth Proportional to 870,700.37, 1,306,424.77 and 450,271.49

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Solution

The fourth proportional to 870,700.37, 1,306,424.77 and 450,271.49 is: 675,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,700.37 : 1,306,424.77 = 450,271.49 : x
  2. Step 2: Convert to fraction form
    870,700.37/1,306,424.77 = 450,271.49/x
  3. Step 3: Cross multiply
    870,700.37x = 1,306,424.77 × 450,271.49
  4. Step 4: Simplify right side
    870,700.37x = 588,245,820,103.01
  5. Step 5: Solve for x
    x = 588,245,820,103.01/870,700.37
  6. Step 6: Final answer
    x = 675,600.75

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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.