Home / 742,405.51-1,024,522.29-402,873.67

Finding the Fourth Proportional to 742,405.51, 1,024,522.29 and 402,873.67

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Solution

The fourth proportional to 742,405.51, 1,024,522.29 and 402,873.67 is: 555,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,405.51 : 1,024,522.29 = 402,873.67 : x
  2. Step 2: Convert to fraction form
    742,405.51/1,024,522.29 = 402,873.67/x
  3. Step 3: Cross multiply
    742,405.51x = 1,024,522.29 × 402,873.67
  4. Step 4: Simplify right side
    742,405.51x = 412,753,047,832.13
  5. Step 5: Solve for x
    x = 412,753,047,832.13/742,405.51
  6. Step 6: Final answer
    x = 555,967.12

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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.