Home / 760,416.90-1,049,486.16-438,064.98

Finding the Fourth Proportional to 760,416.90, 1,049,486.16 and 438,064.98

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Solution

The fourth proportional to 760,416.90, 1,049,486.16 and 438,064.98 is: 604,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,416.90 : 1,049,486.16 = 438,064.98 : x
  2. Step 2: Convert to fraction form
    760,416.90/1,049,486.16 = 438,064.98/x
  3. Step 3: Cross multiply
    760,416.90x = 1,049,486.16 × 438,064.98
  4. Step 4: Simplify right side
    760,416.90x = 459,743,133,690.68
  5. Step 5: Solve for x
    x = 459,743,133,690.68/760,416.90
  6. Step 6: Final answer
    x = 604,593.52

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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.