Home / 630,582.59-870,222.49-344,121.17

Finding the Fourth Proportional to 630,582.59, 870,222.49 and 344,121.17

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Solution

The fourth proportional to 630,582.59, 870,222.49 and 344,121.17 is: 474,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,582.59 : 870,222.49 = 344,121.17 : x
  2. Step 2: Convert to fraction form
    630,582.59/870,222.49 = 344,121.17/x
  3. Step 3: Cross multiply
    630,582.59x = 870,222.49 × 344,121.17
  4. Step 4: Simplify right side
    630,582.59x = 299,461,976,207.70
  5. Step 5: Solve for x
    x = 299,461,976,207.70/630,582.59
  6. Step 6: Final answer
    x = 474,897.31

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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.