Home / 509,670.02-763,484.33-307,153.35

Finding the Fourth Proportional to 509,670.02, 763,484.33 and 307,153.35

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Solution

The fourth proportional to 509,670.02, 763,484.33 and 307,153.35 is: 460,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,670.02 : 763,484.33 = 307,153.35 : x
  2. Step 2: Convert to fraction form
    509,670.02/763,484.33 = 307,153.35/x
  3. Step 3: Cross multiply
    509,670.02x = 763,484.33 × 307,153.35
  4. Step 4: Simplify right side
    509,670.02x = 234,506,770,399.89
  5. Step 5: Solve for x
    x = 234,506,770,399.89/509,670.02
  6. Step 6: Final answer
    x = 460,114.90

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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.