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Finding the Fourth Proportional to 580,941.40, 870,029.70 and 580,941.40

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Solution

The fourth proportional to 580,941.40, 870,029.70 and 580,941.40 is: 870,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,941.40 : 870,029.70 = 580,941.40 : x
  2. Step 2: Convert to fraction form
    580,941.40/870,029.70 = 580,941.40/x
  3. Step 3: Cross multiply
    580,941.40x = 870,029.70 × 580,941.40
  4. Step 4: Simplify right side
    580,941.40x = 505,436,271,959.58
  5. Step 5: Solve for x
    x = 505,436,271,959.58/580,941.40
  6. Step 6: Final answer
    x = 870,029.70

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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.