Home / 670,051.86-924,887.07-428,983.71

Finding the Fourth Proportional to 670,051.86, 924,887.07 and 428,983.71

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Solution

The fourth proportional to 670,051.86, 924,887.07 and 428,983.71 is: 592,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,051.86 : 924,887.07 = 428,983.71 : x
  2. Step 2: Convert to fraction form
    670,051.86/924,887.07 = 428,983.71/x
  3. Step 3: Cross multiply
    670,051.86x = 924,887.07 × 428,983.71
  4. Step 4: Simplify right side
    670,051.86x = 396,761,486,619.63
  5. Step 5: Solve for x
    x = 396,761,486,619.63/670,051.86
  6. Step 6: Final answer
    x = 592,135.49

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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.