Home / 761,134.04-1,049,858.58-489,545.48

Finding the Fourth Proportional to 761,134.04, 1,049,858.58 and 489,545.48

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Solution

The fourth proportional to 761,134.04, 1,049,858.58 and 489,545.48 is: 675,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,134.04 : 1,049,858.58 = 489,545.48 : x
  2. Step 2: Convert to fraction form
    761,134.04/1,049,858.58 = 489,545.48/x
  3. Step 3: Cross multiply
    761,134.04x = 1,049,858.58 × 489,545.48
  4. Step 4: Simplify right side
    761,134.04x = 513,953,522,478.22
  5. Step 5: Solve for x
    x = 513,953,522,478.22/761,134.04
  6. Step 6: Final answer
    x = 675,247.06

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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.