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Finding the Fourth Proportional to 668,582.00, 922,637.66 and 362,657.60

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Solution

The fourth proportional to 668,582.00, 922,637.66 and 362,657.60 is: 500,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,582.00 : 922,637.66 = 362,657.60 : x
  2. Step 2: Convert to fraction form
    668,582.00/922,637.66 = 362,657.60/x
  3. Step 3: Cross multiply
    668,582.00x = 922,637.66 × 362,657.60
  4. Step 4: Simplify right side
    668,582.00x = 334,601,553,018.74
  5. Step 5: Solve for x
    x = 334,601,553,018.74/668,582.00
  6. Step 6: Final answer
    x = 500,464.50

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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.