Home / 742,515.04-1,024,670.20-402,983.56

Finding the Fourth Proportional to 742,515.04, 1,024,670.20 and 402,983.56

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Solution

The fourth proportional to 742,515.04, 1,024,670.20 and 402,983.56 is: 556,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,515.04 : 1,024,670.20 = 402,983.56 : x
  2. Step 2: Convert to fraction form
    742,515.04/1,024,670.20 = 402,983.56/x
  3. Step 3: Cross multiply
    742,515.04x = 1,024,670.20 × 402,983.56
  4. Step 4: Simplify right side
    742,515.04x = 412,925,245,021.91
  5. Step 5: Solve for x
    x = 412,925,245,021.91/742,515.04
  6. Step 6: Final answer
    x = 556,117.01

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Double scale
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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.