Home / 738,143.69-1,018,613.34-451,663.76

Finding the Fourth Proportional to 738,143.69, 1,018,613.34 and 451,663.76

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Solution

The fourth proportional to 738,143.69, 1,018,613.34 and 451,663.76 is: 623,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,143.69 : 1,018,613.34 = 451,663.76 : x
  2. Step 2: Convert to fraction form
    738,143.69/1,018,613.34 = 451,663.76/x
  3. Step 3: Cross multiply
    738,143.69x = 1,018,613.34 × 451,663.76
  4. Step 4: Simplify right side
    738,143.69x = 460,070,733,677.09
  5. Step 5: Solve for x
    x = 460,070,733,677.09/738,143.69
  6. Step 6: Final answer
    x = 623,280.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.