Home / 760,358.76-1,049,528.79-438,284.13

Finding the Fourth Proportional to 760,358.76, 1,049,528.79 and 438,284.13

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Solution

The fourth proportional to 760,358.76, 1,049,528.79 and 438,284.13 is: 604,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,358.76 : 1,049,528.79 = 438,284.13 : x
  2. Step 2: Convert to fraction form
    760,358.76/1,049,528.79 = 438,284.13/x
  3. Step 3: Cross multiply
    760,358.76x = 1,049,528.79 × 438,284.13
  4. Step 4: Simplify right side
    760,358.76x = 459,991,812,635.10
  5. Step 5: Solve for x
    x = 459,991,812,635.10/760,358.76
  6. Step 6: Final answer
    x = 604,966.81

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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.