Home / 626,970.42-865,225.53-340,496.10

Finding the Fourth Proportional to 626,970.42, 865,225.53 and 340,496.10

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Solution

The fourth proportional to 626,970.42, 865,225.53 and 340,496.10 is: 469,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,970.42 : 865,225.53 = 340,496.10 : x
  2. Step 2: Convert to fraction form
    626,970.42/865,225.53 = 340,496.10/x
  3. Step 3: Cross multiply
    626,970.42x = 865,225.53 × 340,496.10
  4. Step 4: Simplify right side
    626,970.42x = 294,605,918,585.43
  5. Step 5: Solve for x
    x = 294,605,918,585.43/626,970.42
  6. Step 6: Final answer
    x = 469,888.07

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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.