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Finding the Fourth Proportional to 560,370.48, 773,304.83 and 315,354.29

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Solution

The fourth proportional to 560,370.48, 773,304.83 and 315,354.29 is: 435,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,370.48 : 773,304.83 = 315,354.29 : x
  2. Step 2: Convert to fraction form
    560,370.48/773,304.83 = 315,354.29/x
  3. Step 3: Cross multiply
    560,370.48x = 773,304.83 × 315,354.29
  4. Step 4: Simplify right side
    560,370.48x = 243,864,999,645.51
  5. Step 5: Solve for x
    x = 243,864,999,645.51/560,370.48
  6. Step 6: Final answer
    x = 435,185.31

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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.