Home / 909,927.80-1,364,762.10-310,916.60

Finding the Fourth Proportional to 909,927.80, 1,364,762.10 and 310,916.60

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Solution

The fourth proportional to 909,927.80, 1,364,762.10 and 310,916.60 is: 466,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,927.80 : 1,364,762.10 = 310,916.60 : x
  2. Step 2: Convert to fraction form
    909,927.80/1,364,762.10 = 310,916.60/x
  3. Step 3: Cross multiply
    909,927.80x = 1,364,762.10 × 310,916.60
  4. Step 4: Simplify right side
    909,927.80x = 424,327,191,940.86
  5. Step 5: Solve for x
    x = 424,327,191,940.86/909,927.80
  6. Step 6: Final answer
    x = 466,330.62

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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.