Home / 763,404.95-1,053,516.48-436,748.66

Finding the Fourth Proportional to 763,404.95, 1,053,516.48 and 436,748.66

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Solution

The fourth proportional to 763,404.95, 1,053,516.48 and 436,748.66 is: 602,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,404.95 : 1,053,516.48 = 436,748.66 : x
  2. Step 2: Convert to fraction form
    763,404.95/1,053,516.48 = 436,748.66/x
  3. Step 3: Cross multiply
    763,404.95x = 1,053,516.48 × 436,748.66
  4. Step 4: Simplify right side
    763,404.95x = 460,121,907,973.21
  5. Step 5: Solve for x
    x = 460,121,907,973.21/763,404.95
  6. Step 6: Final answer
    x = 602,723.24

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Double scale
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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.