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Finding the Fourth Proportional to 651,009.83, 898,400.75 and 360,625.84

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Solution

The fourth proportional to 651,009.83, 898,400.75 and 360,625.84 is: 497,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,009.83 : 898,400.75 = 360,625.84 : x
  2. Step 2: Convert to fraction form
    651,009.83/898,400.75 = 360,625.84/x
  3. Step 3: Cross multiply
    651,009.83x = 898,400.75 × 360,625.84
  4. Step 4: Simplify right side
    651,009.83x = 323,986,525,125.38
  5. Step 5: Solve for x
    x = 323,986,525,125.38/651,009.83
  6. Step 6: Final answer
    x = 497,667.64

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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.