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Finding the Fourth Proportional to 623,952, 860,851.44 and 348,264.86

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Solution

The fourth proportional to 623,952, 860,851.44 and 348,264.86 is: 480,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,952 : 860,851.44 = 348,264.86 : x
  2. Step 2: Convert to fraction form
    623,952/860,851.44 = 348,264.86/x
  3. Step 3: Cross multiply
    623,952x = 860,851.44 × 348,264.86
  4. Step 4: Simplify right side
    623,952x = 299,804,301,928.14
  5. Step 5: Solve for x
    x = 299,804,301,928.14/623,952
  6. Step 6: Final answer
    x = 480,492.57

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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.