Home / 497,934.89-687,146.91-283,075.01

Finding the Fourth Proportional to 497,934.89, 687,146.91 and 283,075.01

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Solution

The fourth proportional to 497,934.89, 687,146.91 and 283,075.01 is: 390,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,934.89 : 687,146.91 = 283,075.01 : x
  2. Step 2: Convert to fraction form
    497,934.89/687,146.91 = 283,075.01/x
  3. Step 3: Cross multiply
    497,934.89x = 687,146.91 × 283,075.01
  4. Step 4: Simplify right side
    497,934.89x = 194,514,118,419.72
  5. Step 5: Solve for x
    x = 194,514,118,419.72/497,934.89
  6. Step 6: Final answer
    x = 390,641.67

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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.