Home / 742,577.46-1,024,729.48-403,038.42

Finding the Fourth Proportional to 742,577.46, 1,024,729.48 and 403,038.42

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Solution

The fourth proportional to 742,577.46, 1,024,729.48 and 403,038.42 is: 556,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,577.46 : 1,024,729.48 = 403,038.42 : x
  2. Step 2: Convert to fraction form
    742,577.46/1,024,729.48 = 403,038.42/x
  3. Step 3: Cross multiply
    742,577.46x = 1,024,729.48 × 403,038.42
  4. Step 4: Simplify right side
    742,577.46x = 413,005,343,407.78
  5. Step 5: Solve for x
    x = 413,005,343,407.78/742,577.46
  6. Step 6: Final answer
    x = 556,178.13

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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.