Home / 522,730.16-784,444.80-223,280.72

Finding the Fourth Proportional to 522,730.16, 784,444.80 and 223,280.72

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Solution

The fourth proportional to 522,730.16, 784,444.80 and 223,280.72 is: 335,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,730.16 : 784,444.80 = 223,280.72 : x
  2. Step 2: Convert to fraction form
    522,730.16/784,444.80 = 223,280.72/x
  3. Step 3: Cross multiply
    522,730.16x = 784,444.80 × 223,280.72
  4. Step 4: Simplify right side
    522,730.16x = 175,151,399,744.26
  5. Step 5: Solve for x
    x = 175,151,399,744.26/522,730.16
  6. Step 6: Final answer
    x = 335,070.39

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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.