Home / 760,993.23-1,050,229.76-421,493.07

Finding the Fourth Proportional to 760,993.23, 1,050,229.76 and 421,493.07

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Solution

The fourth proportional to 760,993.23, 1,050,229.76 and 421,493.07 is: 581,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,993.23 : 1,050,229.76 = 421,493.07 : x
  2. Step 2: Convert to fraction form
    760,993.23/1,050,229.76 = 421,493.07/x
  3. Step 3: Cross multiply
    760,993.23x = 1,050,229.76 × 421,493.07
  4. Step 4: Simplify right side
    760,993.23x = 442,664,563,640.30
  5. Step 5: Solve for x
    x = 442,664,563,640.30/760,993.23
  6. Step 6: Final answer
    x = 581,693.17

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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.