Home / 776,482.60-1,164,378.30-355,887.40

Finding the Fourth Proportional to 776,482.60, 1,164,378.30 and 355,887.40

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Solution

The fourth proportional to 776,482.60, 1,164,378.30 and 355,887.40 is: 533,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,482.60 : 1,164,378.30 = 355,887.40 : x
  2. Step 2: Convert to fraction form
    776,482.60/1,164,378.30 = 355,887.40/x
  3. Step 3: Cross multiply
    776,482.60x = 1,164,378.30 × 355,887.40
  4. Step 4: Simplify right side
    776,482.60x = 414,387,565,803.42
  5. Step 5: Solve for x
    x = 414,387,565,803.42/776,482.60
  6. Step 6: Final answer
    x = 533,672.70

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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.