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Finding the Fourth Proportional to 507,560.98, 760,510.88 and 307,274.30

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Solution

The fourth proportional to 507,560.98, 760,510.88 and 307,274.30 is: 460,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,560.98 : 760,510.88 = 307,274.30 : x
  2. Step 2: Convert to fraction form
    507,560.98/760,510.88 = 307,274.30/x
  3. Step 3: Cross multiply
    507,560.98x = 760,510.88 × 307,274.30
  4. Step 4: Simplify right side
    507,560.98x = 233,685,448,294.38
  5. Step 5: Solve for x
    x = 233,685,448,294.38/507,560.98
  6. Step 6: Final answer
    x = 460,408.62

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1.5x scale

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.