Home / 717,963.20-1,075,632.60-437,152.40

Finding the Fourth Proportional to 717,963.20, 1,075,632.60 and 437,152.40

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Solution

The fourth proportional to 717,963.20, 1,075,632.60 and 437,152.40 is: 654,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,963.20 : 1,075,632.60 = 437,152.40 : x
  2. Step 2: Convert to fraction form
    717,963.20/1,075,632.60 = 437,152.40/x
  3. Step 3: Cross multiply
    717,963.20x = 1,075,632.60 × 437,152.40
  4. Step 4: Simplify right side
    717,963.20x = 470,215,372,608.24
  5. Step 5: Solve for x
    x = 470,215,372,608.24/717,963.20
  6. Step 6: Final answer
    x = 654,929.63

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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.