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Finding the Fourth Proportional to 464,010.09, 695,117.34 and 260,989.41

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Solution

The fourth proportional to 464,010.09, 695,117.34 and 260,989.41 is: 390,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,010.09 : 695,117.34 = 260,989.41 : x
  2. Step 2: Convert to fraction form
    464,010.09/695,117.34 = 260,989.41/x
  3. Step 3: Cross multiply
    464,010.09x = 695,117.34 × 260,989.41
  4. Step 4: Simplify right side
    464,010.09x = 181,418,267,054.06
  5. Step 5: Solve for x
    x = 181,418,267,054.06/464,010.09
  6. Step 6: Final answer
    x = 390,979.15

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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.