Home / 830,379.16-1,145,926.74-467,807.37

Finding the Fourth Proportional to 830,379.16, 1,145,926.74 and 467,807.37

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Solution

The fourth proportional to 830,379.16, 1,145,926.74 and 467,807.37 is: 645,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,379.16 : 1,145,926.74 = 467,807.37 : x
  2. Step 2: Convert to fraction form
    830,379.16/1,145,926.74 = 467,807.37/x
  3. Step 3: Cross multiply
    830,379.16x = 1,145,926.74 × 467,807.37
  4. Step 4: Simplify right side
    830,379.16x = 536,072,974,452.07
  5. Step 5: Solve for x
    x = 536,072,974,452.07/830,379.16
  6. Step 6: Final answer
    x = 645,576.14

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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.