Home / 855,657.95-1,180,437.23-515,937.47

Finding the Fourth Proportional to 855,657.95, 1,180,437.23 and 515,937.47

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Solution

The fourth proportional to 855,657.95, 1,180,437.23 and 515,937.47 is: 711,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,657.95 : 1,180,437.23 = 515,937.47 : x
  2. Step 2: Convert to fraction form
    855,657.95/1,180,437.23 = 515,937.47/x
  3. Step 3: Cross multiply
    855,657.95x = 1,180,437.23 × 515,937.47
  4. Step 4: Simplify right side
    855,657.95x = 609,031,795,360.32
  5. Step 5: Solve for x
    x = 609,031,795,360.32/855,657.95
  6. Step 6: Final answer
    x = 711,770.16

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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.