Home / 760,428.03-1,049,391.62-473,947.88

Finding the Fourth Proportional to 760,428.03, 1,049,391.62 and 473,947.88

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Solution

The fourth proportional to 760,428.03, 1,049,391.62 and 473,947.88 is: 654,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,428.03 : 1,049,391.62 = 473,947.88 : x
  2. Step 2: Convert to fraction form
    760,428.03/1,049,391.62 = 473,947.88/x
  3. Step 3: Cross multiply
    760,428.03x = 1,049,391.62 × 473,947.88
  4. Step 4: Simplify right side
    760,428.03x = 497,356,927,749.37
  5. Step 5: Solve for x
    x = 497,356,927,749.37/760,428.03
  6. Step 6: Final answer
    x = 654,048.65

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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.