Home / 816,807.52-1,127,029.20-477,210.16

Finding the Fourth Proportional to 816,807.52, 1,127,029.20 and 477,210.16

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Solution

The fourth proportional to 816,807.52, 1,127,029.20 and 477,210.16 is: 658,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,807.52 : 1,127,029.20 = 477,210.16 : x
  2. Step 2: Convert to fraction form
    816,807.52/1,127,029.20 = 477,210.16/x
  3. Step 3: Cross multiply
    816,807.52x = 1,127,029.20 × 477,210.16
  4. Step 4: Simplify right side
    816,807.52x = 537,829,784,856.67
  5. Step 5: Solve for x
    x = 537,829,784,856.67/816,807.52
  6. Step 6: Final answer
    x = 658,453.52

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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.