Home / 480,143.72-662,580.44-265,279.18

Finding the Fourth Proportional to 480,143.72, 662,580.44 and 265,279.18

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Solution

The fourth proportional to 480,143.72, 662,580.44 and 265,279.18 is: 366,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,143.72 : 662,580.44 = 265,279.18 : x
  2. Step 2: Convert to fraction form
    480,143.72/662,580.44 = 265,279.18/x
  3. Step 3: Cross multiply
    480,143.72x = 662,580.44 × 265,279.18
  4. Step 4: Simplify right side
    480,143.72x = 175,768,795,807.24
  5. Step 5: Solve for x
    x = 175,768,795,807.24/480,143.72
  6. Step 6: Final answer
    x = 366,075.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.