Home / 989,032.60-1,482,900.90-389,632.60

Finding the Fourth Proportional to 989,032.60, 1,482,900.90 and 389,632.60

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Solution

The fourth proportional to 989,032.60, 1,482,900.90 and 389,632.60 is: 584,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,032.60 : 1,482,900.90 = 389,632.60 : x
  2. Step 2: Convert to fraction form
    989,032.60/1,482,900.90 = 389,632.60/x
  3. Step 3: Cross multiply
    989,032.60x = 1,482,900.90 × 389,632.60
  4. Step 4: Simplify right side
    989,032.60x = 577,786,533,209.34
  5. Step 5: Solve for x
    x = 577,786,533,209.34/989,032.60
  6. Step 6: Final answer
    x = 584,193.62

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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.