Home / 572,897.52-858,531.42-421,950.72

Finding the Fourth Proportional to 572,897.52, 858,531.42 and 421,950.72

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Solution

The fourth proportional to 572,897.52, 858,531.42 and 421,950.72 is: 632,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,897.52 : 858,531.42 = 421,950.72 : x
  2. Step 2: Convert to fraction form
    572,897.52/858,531.42 = 421,950.72/x
  3. Step 3: Cross multiply
    572,897.52x = 858,531.42 × 421,950.72
  4. Step 4: Simplify right side
    572,897.52x = 362,257,950,811.62
  5. Step 5: Solve for x
    x = 362,257,950,811.62/572,897.52
  6. Step 6: Final answer
    x = 632,325.92

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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.