Home / 742,580.46-1,024,779.60-403,047.90

Finding the Fourth Proportional to 742,580.46, 1,024,779.60 and 403,047.90

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Solution

The fourth proportional to 742,580.46, 1,024,779.60 and 403,047.90 is: 556,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,580.46 : 1,024,779.60 = 403,047.90 : x
  2. Step 2: Convert to fraction form
    742,580.46/1,024,779.60 = 403,047.90/x
  3. Step 3: Cross multiply
    742,580.46x = 1,024,779.60 × 403,047.90
  4. Step 4: Simplify right side
    742,580.46x = 413,035,265,742.84
  5. Step 5: Solve for x
    x = 413,035,265,742.84/742,580.46
  6. Step 6: Final answer
    x = 556,216.18

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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.