Home / 761,573.70-1,051,087.50-486,050.43

Finding the Fourth Proportional to 761,573.70, 1,051,087.50 and 486,050.43

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Solution

The fourth proportional to 761,573.70, 1,051,087.50 and 486,050.43 is: 670,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,573.70 : 1,051,087.50 = 486,050.43 : x
  2. Step 2: Convert to fraction form
    761,573.70/1,051,087.50 = 486,050.43/x
  3. Step 3: Cross multiply
    761,573.70x = 1,051,087.50 × 486,050.43
  4. Step 4: Simplify right side
    761,573.70x = 510,881,531,342.63
  5. Step 5: Solve for x
    x = 510,881,531,342.63/761,573.70
  6. Step 6: Final answer
    x = 670,823.50

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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.