Home / 761,886.71-1,051,255.60-451,731.98

Finding the Fourth Proportional to 761,886.71, 1,051,255.60 and 451,731.98

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Solution

The fourth proportional to 761,886.71, 1,051,255.60 and 451,731.98 is: 623,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,886.71 : 1,051,255.60 = 451,731.98 : x
  2. Step 2: Convert to fraction form
    761,886.71/1,051,255.60 = 451,731.98/x
  3. Step 3: Cross multiply
    761,886.71x = 1,051,255.60 × 451,731.98
  4. Step 4: Simplify right side
    761,886.71x = 474,885,777,913.25
  5. Step 5: Solve for x
    x = 474,885,777,913.25/761,886.71
  6. Step 6: Final answer
    x = 623,302.35

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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.