Home / 712,953.95-1,069,894.98-308,540.59

Finding the Fourth Proportional to 712,953.95, 1,069,894.98 and 308,540.59

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Solution

The fourth proportional to 712,953.95, 1,069,894.98 and 308,540.59 is: 463,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,953.95 : 1,069,894.98 = 308,540.59 : x
  2. Step 2: Convert to fraction form
    712,953.95/1,069,894.98 = 308,540.59/x
  3. Step 3: Cross multiply
    712,953.95x = 1,069,894.98 × 308,540.59
  4. Step 4: Simplify right side
    712,953.95x = 330,106,031,710.66
  5. Step 5: Solve for x
    x = 330,106,031,710.66/712,953.95
  6. Step 6: Final answer
    x = 463,011.72

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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.