Home / 760,515.76-1,141,895.08-424,213.48

Finding the Fourth Proportional to 760,515.76, 1,141,895.08 and 424,213.48

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Solution

The fourth proportional to 760,515.76, 1,141,895.08 and 424,213.48 is: 636,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,515.76 : 1,141,895.08 = 424,213.48 : x
  2. Step 2: Convert to fraction form
    760,515.76/1,141,895.08 = 424,213.48/x
  3. Step 3: Cross multiply
    760,515.76x = 1,141,895.08 × 424,213.48
  4. Step 4: Simplify right side
    760,515.76x = 484,407,285,681.68
  5. Step 5: Solve for x
    x = 484,407,285,681.68/760,515.76
  6. Step 6: Final answer
    x = 636,945.76

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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.