Home / 760,032.56-1,139,628.12-311,068.88

Finding the Fourth Proportional to 760,032.56, 1,139,628.12 and 311,068.88

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Solution

The fourth proportional to 760,032.56, 1,139,628.12 and 311,068.88 is: 466,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,032.56 : 1,139,628.12 = 311,068.88 : x
  2. Step 2: Convert to fraction form
    760,032.56/1,139,628.12 = 311,068.88/x
  3. Step 3: Cross multiply
    760,032.56x = 1,139,628.12 × 311,068.88
  4. Step 4: Simplify right side
    760,032.56x = 354,502,842,904.91
  5. Step 5: Solve for x
    x = 354,502,842,904.91/760,032.56
  6. Step 6: Final answer
    x = 466,431.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.