Home / 735,638.40-1,103,457.60-292,406.40

Finding the Fourth Proportional to 735,638.40, 1,103,457.60 and 292,406.40

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Solution

The fourth proportional to 735,638.40, 1,103,457.60 and 292,406.40 is: 438,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,638.40 : 1,103,457.60 = 292,406.40 : x
  2. Step 2: Convert to fraction form
    735,638.40/1,103,457.60 = 292,406.40/x
  3. Step 3: Cross multiply
    735,638.40x = 1,103,457.60 × 292,406.40
  4. Step 4: Simplify right side
    735,638.40x = 322,658,064,368.64
  5. Step 5: Solve for x
    x = 322,658,064,368.64/735,638.40
  6. Step 6: Final answer
    x = 438,609.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.