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Finding the Fourth Proportional to 551,373.40, 827,060.10 and 507,827.80

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Solution

The fourth proportional to 551,373.40, 827,060.10 and 507,827.80 is: 761,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,373.40 : 827,060.10 = 507,827.80 : x
  2. Step 2: Convert to fraction form
    551,373.40/827,060.10 = 507,827.80/x
  3. Step 3: Cross multiply
    551,373.40x = 827,060.10 × 507,827.80
  4. Step 4: Simplify right side
    551,373.40x = 420,004,111,050.78
  5. Step 5: Solve for x
    x = 420,004,111,050.78/551,373.40
  6. Step 6: Final answer
    x = 761,741.70

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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.