Home / 963,962.17-1,330,872.73-620,395.10

Finding the Fourth Proportional to 963,962.17, 1,330,872.73 and 620,395.10

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Solution

The fourth proportional to 963,962.17, 1,330,872.73 and 620,395.10 is: 856,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,962.17 : 1,330,872.73 = 620,395.10 : x
  2. Step 2: Convert to fraction form
    963,962.17/1,330,872.73 = 620,395.10/x
  3. Step 3: Cross multiply
    963,962.17x = 1,330,872.73 × 620,395.10
  4. Step 4: Simplify right side
    963,962.17x = 825,666,917,201.04
  5. Step 5: Solve for x
    x = 825,666,917,201.04/963,962.17
  6. Step 6: Final answer
    x = 856,534.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.