Home / 707,927.79-977,302.48-479,691.25

Finding the Fourth Proportional to 707,927.79, 977,302.48 and 479,691.25

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Solution

The fourth proportional to 707,927.79, 977,302.48 and 479,691.25 is: 662,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,927.79 : 977,302.48 = 479,691.25 : x
  2. Step 2: Convert to fraction form
    707,927.79/977,302.48 = 479,691.25/x
  3. Step 3: Cross multiply
    707,927.79x = 977,302.48 × 479,691.25
  4. Step 4: Simplify right side
    707,927.79x = 468,803,448,259.30
  5. Step 5: Solve for x
    x = 468,803,448,259.30/707,927.79
  6. Step 6: Final answer
    x = 662,219.30

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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.