Home / 909,969.10-1,364,953.65-310,840.45

Finding the Fourth Proportional to 909,969.10, 1,364,953.65 and 310,840.45

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Solution

The fourth proportional to 909,969.10, 1,364,953.65 and 310,840.45 is: 466,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,969.10 : 1,364,953.65 = 310,840.45 : x
  2. Step 2: Convert to fraction form
    909,969.10/1,364,953.65 = 310,840.45/x
  3. Step 3: Cross multiply
    909,969.10x = 1,364,953.65 × 310,840.45
  4. Step 4: Simplify right side
    909,969.10x = 424,282,806,795.14
  5. Step 5: Solve for x
    x = 424,282,806,795.14/909,969.10
  6. Step 6: Final answer
    x = 466,260.68

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Similar ratio
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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.