Home / 872,598.06-1,308,887.28-340,492.86

Finding the Fourth Proportional to 872,598.06, 1,308,887.28 and 340,492.86

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Solution

The fourth proportional to 872,598.06, 1,308,887.28 and 340,492.86 is: 510,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,598.06 : 1,308,887.28 = 340,492.86 : x
  2. Step 2: Convert to fraction form
    872,598.06/1,308,887.28 = 340,492.86/x
  3. Step 3: Cross multiply
    872,598.06x = 1,308,887.28 × 340,492.86
  4. Step 4: Simplify right side
    872,598.06x = 445,666,773,384.82
  5. Step 5: Solve for x
    x = 445,666,773,384.82/872,598.06
  6. Step 6: Final answer
    x = 510,735.46

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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.