Home / 776,437.20-1,164,261.96-355,352.40

Finding the Fourth Proportional to 776,437.20, 1,164,261.96 and 355,352.40

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Solution

The fourth proportional to 776,437.20, 1,164,261.96 and 355,352.40 is: 532,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,437.20 : 1,164,261.96 = 355,352.40 : x
  2. Step 2: Convert to fraction form
    776,437.20/1,164,261.96 = 355,352.40/x
  3. Step 3: Cross multiply
    776,437.20x = 1,164,261.96 × 355,352.40
  4. Step 4: Simplify right side
    776,437.20x = 413,723,281,714.70
  5. Step 5: Solve for x
    x = 413,723,281,714.70/776,437.20
  6. Step 6: Final answer
    x = 532,848.35

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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.