Home / 875,834.91-1,208,688.08-553,427.37

Finding the Fourth Proportional to 875,834.91, 1,208,688.08 and 553,427.37

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Solution

The fourth proportional to 875,834.91, 1,208,688.08 and 553,427.37 is: 763,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,834.91 : 1,208,688.08 = 553,427.37 : x
  2. Step 2: Convert to fraction form
    875,834.91/1,208,688.08 = 553,427.37/x
  3. Step 3: Cross multiply
    875,834.91x = 1,208,688.08 × 553,427.37
  4. Step 4: Simplify right side
    875,834.91x = 668,921,062,497.61
  5. Step 5: Solve for x
    x = 668,921,062,497.61/875,834.91
  6. Step 6: Final answer
    x = 763,752.45

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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.