Home / 935,650.88-1,402,313.57-429,675.07

Finding the Fourth Proportional to 935,650.88, 1,402,313.57 and 429,675.07

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Solution

The fourth proportional to 935,650.88, 1,402,313.57 and 429,675.07 is: 643,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,650.88 : 1,402,313.57 = 429,675.07 : x
  2. Step 2: Convert to fraction form
    935,650.88/1,402,313.57 = 429,675.07/x
  3. Step 3: Cross multiply
    935,650.88x = 1,402,313.57 × 429,675.07
  4. Step 4: Simplify right side
    935,650.88x = 602,539,172,191.76
  5. Step 5: Solve for x
    x = 602,539,172,191.76/935,650.88
  6. Step 6: Final answer
    x = 643,978.63

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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.