Home / 907,647.40-1,360,840.80-401,932.81

Finding the Fourth Proportional to 907,647.40, 1,360,840.80 and 401,932.81

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Solution

The fourth proportional to 907,647.40, 1,360,840.80 and 401,932.81 is: 602,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,647.40 : 1,360,840.80 = 401,932.81 : x
  2. Step 2: Convert to fraction form
    907,647.40/1,360,840.80 = 401,932.81/x
  3. Step 3: Cross multiply
    907,647.40x = 1,360,840.80 × 401,932.81
  4. Step 4: Simplify right side
    907,647.40x = 546,966,566,706.65
  5. Step 5: Solve for x
    x = 546,966,566,706.65/907,647.40
  6. Step 6: Final answer
    x = 602,620.10

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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.