Home / 626,612.60-864,741.06-340,132.36

Finding the Fourth Proportional to 626,612.60, 864,741.06 and 340,132.36

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Solution

The fourth proportional to 626,612.60, 864,741.06 and 340,132.36 is: 469,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,612.60 : 864,741.06 = 340,132.36 : x
  2. Step 2: Convert to fraction form
    626,612.60/864,741.06 = 340,132.36/x
  3. Step 3: Cross multiply
    626,612.60x = 864,741.06 × 340,132.36
  4. Step 4: Simplify right side
    626,612.60x = 294,126,417,526.70
  5. Step 5: Solve for x
    x = 294,126,417,526.70/626,612.60
  6. Step 6: Final answer
    x = 469,391.16

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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.