Home / 776,247.18-1,164,503.61-355,559.10

Finding the Fourth Proportional to 776,247.18, 1,164,503.61 and 355,559.10

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Solution

The fourth proportional to 776,247.18, 1,164,503.61 and 355,559.10 is: 533,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,247.18 : 1,164,503.61 = 355,559.10 : x
  2. Step 2: Convert to fraction form
    776,247.18/1,164,503.61 = 355,559.10/x
  3. Step 3: Cross multiply
    776,247.18x = 1,164,503.61 × 355,559.10
  4. Step 4: Simplify right side
    776,247.18x = 414,049,855,518.35
  5. Step 5: Solve for x
    x = 414,049,855,518.35/776,247.18
  6. Step 6: Final answer
    x = 533,399.50

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Double scale
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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.