Home / 971,320.40-1,456,980.60-551,416.40

Finding the Fourth Proportional to 971,320.40, 1,456,980.60 and 551,416.40

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Solution

The fourth proportional to 971,320.40, 1,456,980.60 and 551,416.40 is: 827,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,320.40 : 1,456,980.60 = 551,416.40 : x
  2. Step 2: Convert to fraction form
    971,320.40/1,456,980.60 = 551,416.40/x
  3. Step 3: Cross multiply
    971,320.40x = 1,456,980.60 × 551,416.40
  4. Step 4: Simplify right side
    971,320.40x = 803,402,997,321.84
  5. Step 5: Solve for x
    x = 803,402,997,321.84/971,320.40
  6. Step 6: Final answer
    x = 827,124.60

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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.