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Finding the Fourth Proportional to 657,501.96, 907,354.26 and 355,695.96

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Solution

The fourth proportional to 657,501.96, 907,354.26 and 355,695.96 is: 490,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,501.96 : 907,354.26 = 355,695.96 : x
  2. Step 2: Convert to fraction form
    657,501.96/907,354.26 = 355,695.96/x
  3. Step 3: Cross multiply
    657,501.96x = 907,354.26 × 355,695.96
  4. Step 4: Simplify right side
    657,501.96x = 322,742,244,570.79
  5. Step 5: Solve for x
    x = 322,742,244,570.79/657,501.96
  6. Step 6: Final answer
    x = 490,861.27

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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.