Home / 761,970.72-1,142,722.74-526,824.48

Finding the Fourth Proportional to 761,970.72, 1,142,722.74 and 526,824.48

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Solution

The fourth proportional to 761,970.72, 1,142,722.74 and 526,824.48 is: 790,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,970.72 : 1,142,722.74 = 526,824.48 : x
  2. Step 2: Convert to fraction form
    761,970.72/1,142,722.74 = 526,824.48/x
  3. Step 3: Cross multiply
    761,970.72x = 1,142,722.74 × 526,824.48
  4. Step 4: Simplify right side
    761,970.72x = 602,014,313,284.68
  5. Step 5: Solve for x
    x = 602,014,313,284.68/761,970.72
  6. Step 6: Final answer
    x = 790,075.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.