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Finding the Fourth Proportional to 592,608.18, 817,801.44 and 320,676.06

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Solution

The fourth proportional to 592,608.18, 817,801.44 and 320,676.06 is: 442,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,608.18 : 817,801.44 = 320,676.06 : x
  2. Step 2: Convert to fraction form
    592,608.18/817,801.44 = 320,676.06/x
  3. Step 3: Cross multiply
    592,608.18x = 817,801.44 × 320,676.06
  4. Step 4: Simplify right side
    592,608.18x = 262,249,343,641.53
  5. Step 5: Solve for x
    x = 262,249,343,641.53/592,608.18
  6. Step 6: Final answer
    x = 442,534.13

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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.