Home / 927,092.80-1,390,509.60-296,070.40

Finding the Fourth Proportional to 927,092.80, 1,390,509.60 and 296,070.40

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Solution

The fourth proportional to 927,092.80, 1,390,509.60 and 296,070.40 is: 444,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,092.80 : 1,390,509.60 = 296,070.40 : x
  2. Step 2: Convert to fraction form
    927,092.80/1,390,509.60 = 296,070.40/x
  3. Step 3: Cross multiply
    927,092.80x = 1,390,509.60 × 296,070.40
  4. Step 4: Simplify right side
    927,092.80x = 411,688,733,475.84
  5. Step 5: Solve for x
    x = 411,688,733,475.84/927,092.80
  6. Step 6: Final answer
    x = 444,064.21

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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.