Home / 790,254.28-1,090,567.56-467,846.74

Finding the Fourth Proportional to 790,254.28, 1,090,567.56 and 467,846.74

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Solution

The fourth proportional to 790,254.28, 1,090,567.56 and 467,846.74 is: 645,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,254.28 : 1,090,567.56 = 467,846.74 : x
  2. Step 2: Convert to fraction form
    790,254.28/1,090,567.56 = 467,846.74/x
  3. Step 3: Cross multiply
    790,254.28x = 1,090,567.56 × 467,846.74
  4. Step 4: Simplify right side
    790,254.28x = 510,218,477,695.75
  5. Step 5: Solve for x
    x = 510,218,477,695.75/790,254.28
  6. Step 6: Final answer
    x = 645,638.36

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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.