Home / 926,492.10-1,387,405.35-609,231.30

Finding the Fourth Proportional to 926,492.10, 1,387,405.35 and 609,231.30

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Solution

The fourth proportional to 926,492.10, 1,387,405.35 and 609,231.30 is: 912,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,492.10 : 1,387,405.35 = 609,231.30 : x
  2. Step 2: Convert to fraction form
    926,492.10/1,387,405.35 = 609,231.30/x
  3. Step 3: Cross multiply
    926,492.10x = 1,387,405.35 × 609,231.30
  4. Step 4: Simplify right side
    926,492.10x = 845,250,765,007.46
  5. Step 5: Solve for x
    x = 845,250,765,007.46/926,492.10
  6. Step 6: Final answer
    x = 912,312.98

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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.