Home / 753,356.62-1,130,421.30-369,098.16

Finding the Fourth Proportional to 753,356.62, 1,130,421.30 and 369,098.16

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Solution

The fourth proportional to 753,356.62, 1,130,421.30 and 369,098.16 is: 553,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,356.62 : 1,130,421.30 = 369,098.16 : x
  2. Step 2: Convert to fraction form
    753,356.62/1,130,421.30 = 369,098.16/x
  3. Step 3: Cross multiply
    753,356.62x = 1,130,421.30 × 369,098.16
  4. Step 4: Simplify right side
    753,356.62x = 417,236,421,854.81
  5. Step 5: Solve for x
    x = 417,236,421,854.81/753,356.62
  6. Step 6: Final answer
    x = 553,836.54

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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.