Home / 742,820.90-1,026,054.42-614,278.59

Finding the Fourth Proportional to 742,820.90, 1,026,054.42 and 614,278.59

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Solution

The fourth proportional to 742,820.90, 1,026,054.42 and 614,278.59 is: 848,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,820.90 : 1,026,054.42 = 614,278.59 : x
  2. Step 2: Convert to fraction form
    742,820.90/1,026,054.42 = 614,278.59/x
  3. Step 3: Cross multiply
    742,820.90x = 1,026,054.42 × 614,278.59
  4. Step 4: Simplify right side
    742,820.90x = 630,283,260,845.17
  5. Step 5: Solve for x
    x = 630,283,260,845.17/742,820.90
  6. Step 6: Final answer
    x = 848,499.63

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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.