Home / 761,672.37-1,141,385.88-424,248.51

Finding the Fourth Proportional to 761,672.37, 1,141,385.88 and 424,248.51

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Solution

The fourth proportional to 761,672.37, 1,141,385.88 and 424,248.51 is: 635,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,672.37 : 1,141,385.88 = 424,248.51 : x
  2. Step 2: Convert to fraction form
    761,672.37/1,141,385.88 = 424,248.51/x
  3. Step 3: Cross multiply
    761,672.37x = 1,141,385.88 × 424,248.51
  4. Step 4: Simplify right side
    761,672.37x = 484,231,258,925.04
  5. Step 5: Solve for x
    x = 484,231,258,925.04/761,672.37
  6. Step 6: Final answer
    x = 635,747.44

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1.5x scale

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.