Home / 971,339.40-1,457,009.10-551,435.40

Finding the Fourth Proportional to 971,339.40, 1,457,009.10 and 551,435.40

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Solution

The fourth proportional to 971,339.40, 1,457,009.10 and 551,435.40 is: 827,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,339.40 : 1,457,009.10 = 551,435.40 : x
  2. Step 2: Convert to fraction form
    971,339.40/1,457,009.10 = 551,435.40/x
  3. Step 3: Cross multiply
    971,339.40x = 1,457,009.10 × 551,435.40
  4. Step 4: Simplify right side
    971,339.40x = 803,446,395,862.14
  5. Step 5: Solve for x
    x = 803,446,395,862.14/971,339.40
  6. Step 6: Final answer
    x = 827,153.10

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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.