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Finding the Fourth Proportional to 434,755.76, 599,758.80 and 307,501.52

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Solution

The fourth proportional to 434,755.76, 599,758.80 and 307,501.52 is: 424,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,755.76 : 599,758.80 = 307,501.52 : x
  2. Step 2: Convert to fraction form
    434,755.76/599,758.80 = 307,501.52/x
  3. Step 3: Cross multiply
    434,755.76x = 599,758.80 × 307,501.52
  4. Step 4: Simplify right side
    434,755.76x = 184,426,742,633.38
  5. Step 5: Solve for x
    x = 184,426,742,633.38/434,755.76
  6. Step 6: Final answer
    x = 424,207.70

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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.