Home / 852,011.30-1,276,931.55-452,843.30

Finding the Fourth Proportional to 852,011.30, 1,276,931.55 and 452,843.30

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Solution

The fourth proportional to 852,011.30, 1,276,931.55 and 452,843.30 is: 678,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,011.30 : 1,276,931.55 = 452,843.30 : x
  2. Step 2: Convert to fraction form
    852,011.30/1,276,931.55 = 452,843.30/x
  3. Step 3: Cross multiply
    852,011.30x = 1,276,931.55 × 452,843.30
  4. Step 4: Simplify right side
    852,011.30x = 578,249,896,976.12
  5. Step 5: Solve for x
    x = 578,249,896,976.12/852,011.30
  6. Step 6: Final answer
    x = 678,688.06

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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.