Home / 760,549.77-1,049,558.91-421,018.02

Finding the Fourth Proportional to 760,549.77, 1,049,558.91 and 421,018.02

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Solution

The fourth proportional to 760,549.77, 1,049,558.91 and 421,018.02 is: 581,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,549.77 : 1,049,558.91 = 421,018.02 : x
  2. Step 2: Convert to fraction form
    760,549.77/1,049,558.91 = 421,018.02/x
  3. Step 3: Cross multiply
    760,549.77x = 1,049,558.91 × 421,018.02
  4. Step 4: Simplify right side
    760,549.77x = 441,883,214,161.56
  5. Step 5: Solve for x
    x = 441,883,214,161.56/760,549.77
  6. Step 6: Final answer
    x = 581,004.99

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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.