Home / 989,207.60-1,483,811.40-646,723.40

Finding the Fourth Proportional to 989,207.60, 1,483,811.40 and 646,723.40

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Solution

The fourth proportional to 989,207.60, 1,483,811.40 and 646,723.40 is: 970,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,207.60 : 1,483,811.40 = 646,723.40 : x
  2. Step 2: Convert to fraction form
    989,207.60/1,483,811.40 = 646,723.40/x
  3. Step 3: Cross multiply
    989,207.60x = 1,483,811.40 × 646,723.40
  4. Step 4: Simplify right side
    989,207.60x = 959,615,553,566.76
  5. Step 5: Solve for x
    x = 959,615,553,566.76/989,207.60
  6. Step 6: Final answer
    x = 970,085.10

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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.