Home / 656,834.40-906,457.59-370,348.34

Finding the Fourth Proportional to 656,834.40, 906,457.59 and 370,348.34

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Solution

The fourth proportional to 656,834.40, 906,457.59 and 370,348.34 is: 511,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,834.40 : 906,457.59 = 370,348.34 : x
  2. Step 2: Convert to fraction form
    656,834.40/906,457.59 = 370,348.34/x
  3. Step 3: Cross multiply
    656,834.40x = 906,457.59 × 370,348.34
  4. Step 4: Simplify right side
    656,834.40x = 335,705,059,204.61
  5. Step 5: Solve for x
    x = 335,705,059,204.61/656,834.40
  6. Step 6: Final answer
    x = 511,095.43

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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.