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Finding the Fourth Proportional to 434,779.08, 599,301.73 and 342,748.32

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Solution

The fourth proportional to 434,779.08, 599,301.73 and 342,748.32 is: 472,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,779.08 : 599,301.73 = 342,748.32 : x
  2. Step 2: Convert to fraction form
    434,779.08/599,301.73 = 342,748.32/x
  3. Step 3: Cross multiply
    434,779.08x = 599,301.73 × 342,748.32
  4. Step 4: Simplify right side
    434,779.08x = 205,409,661,130.59
  5. Step 5: Solve for x
    x = 205,409,661,130.59/434,779.08
  6. Step 6: Final answer
    x = 472,446.05

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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.