Home / 760,692.68-1,049,826.32-421,160.93

Finding the Fourth Proportional to 760,692.68, 1,049,826.32 and 421,160.93

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Solution

The fourth proportional to 760,692.68, 1,049,826.32 and 421,160.93 is: 581,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,692.68 : 1,049,826.32 = 421,160.93 : x
  2. Step 2: Convert to fraction form
    760,692.68/1,049,826.32 = 421,160.93/x
  3. Step 3: Cross multiply
    760,692.68x = 1,049,826.32 × 421,160.93
  4. Step 4: Simplify right side
    760,692.68x = 442,145,821,914.74
  5. Step 5: Solve for x
    x = 442,145,821,914.74/760,692.68
  6. Step 6: Final answer
    x = 581,241.07

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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.