Home / 626,645.02-864,771.22-340,165.30

Finding the Fourth Proportional to 626,645.02, 864,771.22 and 340,165.30

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Solution

The fourth proportional to 626,645.02, 864,771.22 and 340,165.30 is: 469,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,645.02 : 864,771.22 = 340,165.30 : x
  2. Step 2: Convert to fraction form
    626,645.02/864,771.22 = 340,165.30/x
  3. Step 3: Cross multiply
    626,645.02x = 864,771.22 × 340,165.30
  4. Step 4: Simplify right side
    626,645.02x = 294,165,161,482.67
  5. Step 5: Solve for x
    x = 294,165,161,482.67/626,645.02
  6. Step 6: Final answer
    x = 469,428.71

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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.