Home / 656,913.47-906,571.70-370,427.40

Finding the Fourth Proportional to 656,913.47, 906,571.70 and 370,427.40

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Solution

The fourth proportional to 656,913.47, 906,571.70 and 370,427.40 is: 511,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,913.47 : 906,571.70 = 370,427.40 : x
  2. Step 2: Convert to fraction form
    656,913.47/906,571.70 = 370,427.40/x
  3. Step 3: Cross multiply
    656,913.47x = 906,571.70 × 370,427.40
  4. Step 4: Simplify right side
    656,913.47x = 335,818,995,892.44
  5. Step 5: Solve for x
    x = 335,818,995,892.44/656,913.47
  6. Step 6: Final answer
    x = 511,207.36

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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.