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Finding the Fourth Proportional to 636,298.09, 954,397.49 and 369,888.68

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Solution

The fourth proportional to 636,298.09, 954,397.49 and 369,888.68 is: 554,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,298.09 : 954,397.49 = 369,888.68 : x
  2. Step 2: Convert to fraction form
    636,298.09/954,397.49 = 369,888.68/x
  3. Step 3: Cross multiply
    636,298.09x = 954,397.49 × 369,888.68
  4. Step 4: Simplify right side
    636,298.09x = 353,020,828,307.96
  5. Step 5: Solve for x
    x = 353,020,828,307.96/636,298.09
  6. Step 6: Final answer
    x = 554,804.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.