Home / 640,312.02-960,522.57-191,003.94

Finding the Fourth Proportional to 640,312.02, 960,522.57 and 191,003.94

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Solution

The fourth proportional to 640,312.02, 960,522.57 and 191,003.94 is: 286,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,312.02 : 960,522.57 = 191,003.94 : x
  2. Step 2: Convert to fraction form
    640,312.02/960,522.57 = 191,003.94/x
  3. Step 3: Cross multiply
    640,312.02x = 960,522.57 × 191,003.94
  4. Step 4: Simplify right side
    640,312.02x = 183,463,595,328.93
  5. Step 5: Solve for x
    x = 183,463,595,328.93/640,312.02
  6. Step 6: Final answer
    x = 286,522.18

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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.