Home / 759,423.50-1,048,865.46-517,286.18

Finding the Fourth Proportional to 759,423.50, 1,048,865.46 and 517,286.18

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Solution

The fourth proportional to 759,423.50, 1,048,865.46 and 517,286.18 is: 714,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,423.50 : 1,048,865.46 = 517,286.18 : x
  2. Step 2: Convert to fraction form
    759,423.50/1,048,865.46 = 517,286.18/x
  3. Step 3: Cross multiply
    759,423.50x = 1,048,865.46 × 517,286.18
  4. Step 4: Simplify right side
    759,423.50x = 542,563,607,137.34
  5. Step 5: Solve for x
    x = 542,563,607,137.34/759,423.50
  6. Step 6: Final answer
    x = 714,441.42

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Double scale
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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.