Home / 870,669.70-1,201,483.76-483,509.70

Finding the Fourth Proportional to 870,669.70, 1,201,483.76 and 483,509.70

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Solution

The fourth proportional to 870,669.70, 1,201,483.76 and 483,509.70 is: 667,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,669.70 : 1,201,483.76 = 483,509.70 : x
  2. Step 2: Convert to fraction form
    870,669.70/1,201,483.76 = 483,509.70/x
  3. Step 3: Cross multiply
    870,669.70x = 1,201,483.76 × 483,509.70
  4. Step 4: Simplify right side
    870,669.70x = 580,929,049,934.92
  5. Step 5: Solve for x
    x = 580,929,049,934.92/870,669.70
  6. Step 6: Final answer
    x = 667,220.94

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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.