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Finding the Fourth Proportional to 607,042.16, 910,670.16 and 207,589.04

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Solution

The fourth proportional to 607,042.16, 910,670.16 and 207,589.04 is: 311,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,042.16 : 910,670.16 = 207,589.04 : x
  2. Step 2: Convert to fraction form
    607,042.16/910,670.16 = 207,589.04/x
  3. Step 3: Cross multiply
    607,042.16x = 910,670.16 × 207,589.04
  4. Step 4: Simplify right side
    607,042.16x = 189,045,144,271.05
  5. Step 5: Solve for x
    x = 189,045,144,271.05/607,042.16
  6. Step 6: Final answer
    x = 311,420.12

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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.