Home / 760,507.92-1,049,618.88-433,821.60

Finding the Fourth Proportional to 760,507.92, 1,049,618.88 and 433,821.60

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Solution

The fourth proportional to 760,507.92, 1,049,618.88 and 433,821.60 is: 598,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,507.92 : 1,049,618.88 = 433,821.60 : x
  2. Step 2: Convert to fraction form
    760,507.92/1,049,618.88 = 433,821.60/x
  3. Step 3: Cross multiply
    760,507.92x = 1,049,618.88 × 433,821.60
  4. Step 4: Simplify right side
    760,507.92x = 455,347,341,911.81
  5. Step 5: Solve for x
    x = 455,347,341,911.81/760,507.92
  6. Step 6: Final answer
    x = 598,741.09

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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.