Home / 761,503.84-1,050,881.52-421,977.76

Finding the Fourth Proportional to 761,503.84, 1,050,881.52 and 421,977.76

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Solution

The fourth proportional to 761,503.84, 1,050,881.52 and 421,977.76 is: 582,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,503.84 : 1,050,881.52 = 421,977.76 : x
  2. Step 2: Convert to fraction form
    761,503.84/1,050,881.52 = 421,977.76/x
  3. Step 3: Cross multiply
    761,503.84x = 1,050,881.52 × 421,977.76
  4. Step 4: Simplify right side
    761,503.84x = 443,448,629,835.00
  5. Step 5: Solve for x
    x = 443,448,629,835.00/761,503.84
  6. Step 6: Final answer
    x = 582,332.76

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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.