Home / 761,492.32-1,050,801.60-421,953.28

Finding the Fourth Proportional to 761,492.32, 1,050,801.60 and 421,953.28

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Solution

The fourth proportional to 761,492.32, 1,050,801.60 and 421,953.28 is: 582,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,492.32 : 1,050,801.60 = 421,953.28 : x
  2. Step 2: Convert to fraction form
    761,492.32/1,050,801.60 = 421,953.28/x
  3. Step 3: Cross multiply
    761,492.32x = 1,050,801.60 × 421,953.28
  4. Step 4: Simplify right side
    761,492.32x = 443,389,181,749.25
  5. Step 5: Solve for x
    x = 443,389,181,749.25/761,492.32
  6. Step 6: Final answer
    x = 582,263.50

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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.