Home / 760,165.40-1,049,139.54-437,812.76

Finding the Fourth Proportional to 760,165.40, 1,049,139.54 and 437,812.76

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Solution

The fourth proportional to 760,165.40, 1,049,139.54 and 437,812.76 is: 604,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,165.40 : 1,049,139.54 = 437,812.76 : x
  2. Step 2: Convert to fraction form
    760,165.40/1,049,139.54 = 437,812.76/x
  3. Step 3: Cross multiply
    760,165.40x = 1,049,139.54 × 437,812.76
  4. Step 4: Simplify right side
    760,165.40x = 459,326,677,632.53
  5. Step 5: Solve for x
    x = 459,326,677,632.53/760,165.40
  6. Step 6: Final answer
    x = 604,245.70

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Double scale
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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.