Home / 777,122.29-1,072,483.65-432,980.83

Finding the Fourth Proportional to 777,122.29, 1,072,483.65 and 432,980.83

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Solution

The fourth proportional to 777,122.29, 1,072,483.65 and 432,980.83 is: 597,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,122.29 : 1,072,483.65 = 432,980.83 : x
  2. Step 2: Convert to fraction form
    777,122.29/1,072,483.65 = 432,980.83/x
  3. Step 3: Cross multiply
    777,122.29x = 1,072,483.65 × 432,980.83
  4. Step 4: Simplify right side
    777,122.29x = 464,364,860,938.43
  5. Step 5: Solve for x
    x = 464,364,860,938.43/777,122.29
  6. Step 6: Final answer
    x = 597,544.13

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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.