Home / 646,849.80-972,024.30-569,867.40

Finding the Fourth Proportional to 646,849.80, 972,024.30 and 569,867.40

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Solution

The fourth proportional to 646,849.80, 972,024.30 and 569,867.40 is: 856,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,849.80 : 972,024.30 = 569,867.40 : x
  2. Step 2: Convert to fraction form
    646,849.80/972,024.30 = 569,867.40/x
  3. Step 3: Cross multiply
    646,849.80x = 972,024.30 × 569,867.40
  4. Step 4: Simplify right side
    646,849.80x = 553,924,960,577.82
  5. Step 5: Solve for x
    x = 553,924,960,577.82/646,849.80
  6. Step 6: Final answer
    x = 856,342.48

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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.