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Finding the Fourth Proportional to 477,779.72, 659,319.48 and 262,899.68

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Solution

The fourth proportional to 477,779.72, 659,319.48 and 262,899.68 is: 362,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,779.72 : 659,319.48 = 262,899.68 : x
  2. Step 2: Convert to fraction form
    477,779.72/659,319.48 = 262,899.68/x
  3. Step 3: Cross multiply
    477,779.72x = 659,319.48 × 262,899.68
  4. Step 4: Simplify right side
    477,779.72x = 173,334,877,013.17
  5. Step 5: Solve for x
    x = 173,334,877,013.17/477,779.72
  6. Step 6: Final answer
    x = 362,792.46

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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.