Home / 626,539.10-864,624.76-340,059.20

Finding the Fourth Proportional to 626,539.10, 864,624.76 and 340,059.20

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Solution

The fourth proportional to 626,539.10, 864,624.76 and 340,059.20 is: 469,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,539.10 : 864,624.76 = 340,059.20 : x
  2. Step 2: Convert to fraction form
    626,539.10/864,624.76 = 340,059.20/x
  3. Step 3: Cross multiply
    626,539.10x = 864,624.76 × 340,059.20
  4. Step 4: Simplify right side
    626,539.10x = 294,023,604,185.79
  5. Step 5: Solve for x
    x = 294,023,604,185.79/626,539.10
  6. Step 6: Final answer
    x = 469,282.13

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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.