Home / 788,897.10-1,183,518.45-389,729.10

Finding the Fourth Proportional to 788,897.10, 1,183,518.45 and 389,729.10

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Solution

The fourth proportional to 788,897.10, 1,183,518.45 and 389,729.10 is: 584,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,897.10 : 1,183,518.45 = 389,729.10 : x
  2. Step 2: Convert to fraction form
    788,897.10/1,183,518.45 = 389,729.10/x
  3. Step 3: Cross multiply
    788,897.10x = 1,183,518.45 × 389,729.10
  4. Step 4: Simplify right side
    788,897.10x = 461,251,580,351.90
  5. Step 5: Solve for x
    x = 461,251,580,351.90/788,897.10
  6. Step 6: Final answer
    x = 584,679.02

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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.