Home / 788,461.34-1,088,077.09-425,885.20

Finding the Fourth Proportional to 788,461.34, 1,088,077.09 and 425,885.20

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Solution

The fourth proportional to 788,461.34, 1,088,077.09 and 425,885.20 is: 587,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,461.34 : 1,088,077.09 = 425,885.20 : x
  2. Step 2: Convert to fraction form
    788,461.34/1,088,077.09 = 425,885.20/x
  3. Step 3: Cross multiply
    788,461.34x = 1,088,077.09 × 425,885.20
  4. Step 4: Simplify right side
    788,461.34x = 463,395,925,305.16
  5. Step 5: Solve for x
    x = 463,395,925,305.16/788,461.34
  6. Step 6: Final answer
    x = 587,721.81

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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.