Home / 913,913.32-1,260,357.54-626,927.08

Finding the Fourth Proportional to 913,913.32, 1,260,357.54 and 626,927.08

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Solution

The fourth proportional to 913,913.32, 1,260,357.54 and 626,927.08 is: 864,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,913.32 : 1,260,357.54 = 626,927.08 : x
  2. Step 2: Convert to fraction form
    913,913.32/1,260,357.54 = 626,927.08/x
  3. Step 3: Cross multiply
    913,913.32x = 1,260,357.54 × 626,927.08
  4. Step 4: Simplify right side
    913,913.32x = 790,152,272,308.18
  5. Step 5: Solve for x
    x = 790,152,272,308.18/913,913.32
  6. Step 6: Final answer
    x = 864,581.20

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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.