Home / 761,886.90-1,142,840.07-525,166.02

Finding the Fourth Proportional to 761,886.90, 1,142,840.07 and 525,166.02

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Solution

The fourth proportional to 761,886.90, 1,142,840.07 and 525,166.02 is: 787,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,886.90 : 1,142,840.07 = 525,166.02 : x
  2. Step 2: Convert to fraction form
    761,886.90/1,142,840.07 = 525,166.02/x
  3. Step 3: Cross multiply
    761,886.90x = 1,142,840.07 × 525,166.02
  4. Step 4: Simplify right side
    761,886.90x = 600,180,771,058.42
  5. Step 5: Solve for x
    x = 600,180,771,058.42/761,886.90
  6. Step 6: Final answer
    x = 787,755.73

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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.