Home / 558,831.76-769,718.70-429,522.95

Finding the Fourth Proportional to 558,831.76, 769,718.70 and 429,522.95

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Solution

The fourth proportional to 558,831.76, 769,718.70 and 429,522.95 is: 591,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,831.76 : 769,718.70 = 429,522.95 : x
  2. Step 2: Convert to fraction form
    558,831.76/769,718.70 = 429,522.95/x
  3. Step 3: Cross multiply
    558,831.76x = 769,718.70 × 429,522.95
  4. Step 4: Simplify right side
    558,831.76x = 330,611,848,618.46
  5. Step 5: Solve for x
    x = 330,611,848,618.46/558,831.76
  6. Step 6: Final answer
    x = 591,612.49

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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.