Home / 807,043.95-1,113,697.89-462,937.32

Finding the Fourth Proportional to 807,043.95, 1,113,697.89 and 462,937.32

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Solution

The fourth proportional to 807,043.95, 1,113,697.89 and 462,937.32 is: 638,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,043.95 : 1,113,697.89 = 462,937.32 : x
  2. Step 2: Convert to fraction form
    807,043.95/1,113,697.89 = 462,937.32/x
  3. Step 3: Cross multiply
    807,043.95x = 1,113,697.89 × 462,937.32
  4. Step 4: Simplify right side
    807,043.95x = 515,572,316,486.26
  5. Step 5: Solve for x
    x = 515,572,316,486.26/807,043.95
  6. Step 6: Final answer
    x = 638,840.45

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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.