Home / 931,492.16-1,397,247.12-510,538.40

Finding the Fourth Proportional to 931,492.16, 1,397,247.12 and 510,538.40

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Solution

The fourth proportional to 931,492.16, 1,397,247.12 and 510,538.40 is: 765,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,492.16 : 1,397,247.12 = 510,538.40 : x
  2. Step 2: Convert to fraction form
    931,492.16/1,397,247.12 = 510,538.40/x
  3. Step 3: Cross multiply
    931,492.16x = 1,397,247.12 × 510,538.40
  4. Step 4: Simplify right side
    931,492.16x = 713,348,309,049.41
  5. Step 5: Solve for x
    x = 713,348,309,049.41/931,492.16
  6. Step 6: Final answer
    x = 765,812.47

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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.