Home / 771,929.79-1,157,897.43-546,608.64

Finding the Fourth Proportional to 771,929.79, 1,157,897.43 and 546,608.64

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Solution

The fourth proportional to 771,929.79, 1,157,897.43 and 546,608.64 is: 819,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,929.79 : 1,157,897.43 = 546,608.64 : x
  2. Step 2: Convert to fraction form
    771,929.79/1,157,897.43 = 546,608.64/x
  3. Step 3: Cross multiply
    771,929.79x = 1,157,897.43 × 546,608.64
  4. Step 4: Simplify right side
    771,929.79x = 632,916,739,471.80
  5. Step 5: Solve for x
    x = 632,916,739,471.80/771,929.79
  6. Step 6: Final answer
    x = 819,914.90

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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.