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Finding the Fourth Proportional to 507,002.10, 760,503.15 and 307,547.70

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Solution

The fourth proportional to 507,002.10, 760,503.15 and 307,547.70 is: 461,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,002.10 : 760,503.15 = 307,547.70 : x
  2. Step 2: Convert to fraction form
    507,002.10/760,503.15 = 307,547.70/x
  3. Step 3: Cross multiply
    507,002.10x = 760,503.15 × 307,547.70
  4. Step 4: Simplify right side
    507,002.10x = 233,890,994,625.26
  5. Step 5: Solve for x
    x = 233,890,994,625.26/507,002.10
  6. Step 6: Final answer
    x = 461,321.55

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Similar ratio
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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.