Home / 760,010.45-1,048,904.34-428,874.95

Finding the Fourth Proportional to 760,010.45, 1,048,904.34 and 428,874.95

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Solution

The fourth proportional to 760,010.45, 1,048,904.34 and 428,874.95 is: 591,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,010.45 : 1,048,904.34 = 428,874.95 : x
  2. Step 2: Convert to fraction form
    760,010.45/1,048,904.34 = 428,874.95/x
  3. Step 3: Cross multiply
    760,010.45x = 1,048,904.34 × 428,874.95
  4. Step 4: Simplify right side
    760,010.45x = 449,848,797,386.26
  5. Step 5: Solve for x
    x = 449,848,797,386.26/760,010.45
  6. Step 6: Final answer
    x = 591,898.18

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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.