Home / 989,590.86-1,484,182.16-483,632.46

Finding the Fourth Proportional to 989,590.86, 1,484,182.16 and 483,632.46

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Solution

The fourth proportional to 989,590.86, 1,484,182.16 and 483,632.46 is: 725,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,590.86 : 1,484,182.16 = 483,632.46 : x
  2. Step 2: Convert to fraction form
    989,590.86/1,484,182.16 = 483,632.46/x
  3. Step 3: Cross multiply
    989,590.86x = 1,484,182.16 × 483,632.46
  4. Step 4: Simplify right side
    989,590.86x = 717,798,662,917.08
  5. Step 5: Solve for x
    x = 717,798,662,917.08/989,590.86
  6. Step 6: Final answer
    x = 725,348.93

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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.