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Finding the Fourth Proportional to 656,459.60, 984,095.40 and 456,875.60

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Solution

The fourth proportional to 656,459.60, 984,095.40 and 456,875.60 is: 684,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,459.60 : 984,095.40 = 456,875.60 : x
  2. Step 2: Convert to fraction form
    656,459.60/984,095.40 = 456,875.60/x
  3. Step 3: Cross multiply
    656,459.60x = 984,095.40 × 456,875.60
  4. Step 4: Simplify right side
    656,459.60x = 449,609,176,332.24
  5. Step 5: Solve for x
    x = 449,609,176,332.24/656,459.60
  6. Step 6: Final answer
    x = 684,899.99

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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.