Home / 870,558.60-1,305,807.42-358,205.24

Finding the Fourth Proportional to 870,558.60, 1,305,807.42 and 358,205.24

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Solution

The fourth proportional to 870,558.60, 1,305,807.42 and 358,205.24 is: 537,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,558.60 : 1,305,807.42 = 358,205.24 : x
  2. Step 2: Convert to fraction form
    870,558.60/1,305,807.42 = 358,205.24/x
  3. Step 3: Cross multiply
    870,558.60x = 1,305,807.42 × 358,205.24
  4. Step 4: Simplify right side
    870,558.60x = 467,747,060,274.88
  5. Step 5: Solve for x
    x = 467,747,060,274.88/870,558.60
  6. Step 6: Final answer
    x = 537,295.32

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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.