Home / 760,164.40-1,049,138.16-437,811.76

Finding the Fourth Proportional to 760,164.40, 1,049,138.16 and 437,811.76

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Solution

The fourth proportional to 760,164.40, 1,049,138.16 and 437,811.76 is: 604,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,164.40 : 1,049,138.16 = 437,811.76 : x
  2. Step 2: Convert to fraction form
    760,164.40/1,049,138.16 = 437,811.76/x
  3. Step 3: Cross multiply
    760,164.40x = 1,049,138.16 × 437,811.76
  4. Step 4: Simplify right side
    760,164.40x = 459,325,024,312.76
  5. Step 5: Solve for x
    x = 459,325,024,312.76/760,164.40
  6. Step 6: Final answer
    x = 604,244.32

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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.