Home / 824,172.23-1,235,261.81-424,595.03

Finding the Fourth Proportional to 824,172.23, 1,235,261.81 and 424,595.03

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Solution

The fourth proportional to 824,172.23, 1,235,261.81 and 424,595.03 is: 636,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,172.23 : 1,235,261.81 = 424,595.03 : x
  2. Step 2: Convert to fraction form
    824,172.23/1,235,261.81 = 424,595.03/x
  3. Step 3: Cross multiply
    824,172.23x = 1,235,261.81 × 424,595.03
  4. Step 4: Simplify right side
    824,172.23x = 524,486,020,159.98
  5. Step 5: Solve for x
    x = 524,486,020,159.98/824,172.23
  6. Step 6: Final answer
    x = 636,379.14

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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.