Home / 909,752.40-1,362,004.20-555,458.40

Finding the Fourth Proportional to 909,752.40, 1,362,004.20 and 555,458.40

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Solution

The fourth proportional to 909,752.40, 1,362,004.20 and 555,458.40 is: 831,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,752.40 : 1,362,004.20 = 555,458.40 : x
  2. Step 2: Convert to fraction form
    909,752.40/1,362,004.20 = 555,458.40/x
  3. Step 3: Cross multiply
    909,752.40x = 1,362,004.20 × 555,458.40
  4. Step 4: Simplify right side
    909,752.40x = 756,536,673,725.28
  5. Step 5: Solve for x
    x = 756,536,673,725.28/909,752.40
  6. Step 6: Final answer
    x = 831,585.25

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1.5x scale

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.