Home / 589,085.70-883,045.35-289,320.90

Finding the Fourth Proportional to 589,085.70, 883,045.35 and 289,320.90

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Solution

The fourth proportional to 589,085.70, 883,045.35 and 289,320.90 is: 433,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,085.70 : 883,045.35 = 289,320.90 : x
  2. Step 2: Convert to fraction form
    589,085.70/883,045.35 = 289,320.90/x
  3. Step 3: Cross multiply
    589,085.70x = 883,045.35 × 289,320.90
  4. Step 4: Simplify right side
    589,085.70x = 255,483,475,402.82
  5. Step 5: Solve for x
    x = 255,483,475,402.82/589,085.70
  6. Step 6: Final answer
    x = 433,694.92

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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.