Home / 875,835.91-1,208,689.46-553,428.37

Finding the Fourth Proportional to 875,835.91, 1,208,689.46 and 553,428.37

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Solution

The fourth proportional to 875,835.91, 1,208,689.46 and 553,428.37 is: 763,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,835.91 : 1,208,689.46 = 553,428.37 : x
  2. Step 2: Convert to fraction form
    875,835.91/1,208,689.46 = 553,428.37/x
  3. Step 3: Cross multiply
    875,835.91x = 1,208,689.46 × 553,428.37
  4. Step 4: Simplify right side
    875,835.91x = 668,923,037,683.98
  5. Step 5: Solve for x
    x = 668,923,037,683.98/875,835.91
  6. Step 6: Final answer
    x = 763,753.84

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1.5x scale

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.