Home / 824,493.60-1,236,740.40-637,639.20

Finding the Fourth Proportional to 824,493.60, 1,236,740.40 and 637,639.20

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Solution

The fourth proportional to 824,493.60, 1,236,740.40 and 637,639.20 is: 956,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,493.60 : 1,236,740.40 = 637,639.20 : x
  2. Step 2: Convert to fraction form
    824,493.60/1,236,740.40 = 637,639.20/x
  3. Step 3: Cross multiply
    824,493.60x = 1,236,740.40 × 637,639.20
  4. Step 4: Simplify right side
    824,493.60x = 788,594,159,263.68
  5. Step 5: Solve for x
    x = 788,594,159,263.68/824,493.60
  6. Step 6: Final answer
    x = 956,458.80

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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.