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Finding the Fourth Proportional to 533,690.16, 736,510.68 and 304,280.88

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Solution

The fourth proportional to 533,690.16, 736,510.68 and 304,280.88 is: 419,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,690.16 : 736,510.68 = 304,280.88 : x
  2. Step 2: Convert to fraction form
    533,690.16/736,510.68 = 304,280.88/x
  3. Step 3: Cross multiply
    533,690.16x = 736,510.68 × 304,280.88
  4. Step 4: Simplify right side
    533,690.16x = 224,106,117,839.80
  5. Step 5: Solve for x
    x = 224,106,117,839.80/533,690.16
  6. Step 6: Final answer
    x = 419,918.02

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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.