Home / 487,537.20-672,985.80-436,457.52

Finding the Fourth Proportional to 487,537.20, 672,985.80 and 436,457.52

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Solution

The fourth proportional to 487,537.20, 672,985.80 and 436,457.52 is: 602,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,537.20 : 672,985.80 = 436,457.52 : x
  2. Step 2: Convert to fraction form
    487,537.20/672,985.80 = 436,457.52/x
  3. Step 3: Cross multiply
    487,537.20x = 672,985.80 × 436,457.52
  4. Step 4: Simplify right side
    487,537.20x = 293,729,713,263.22
  5. Step 5: Solve for x
    x = 293,729,713,263.22/487,537.20
  6. Step 6: Final answer
    x = 602,476.52

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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.