Home / 675,095.04-931,628.76-380,721.36

Finding the Fourth Proportional to 675,095.04, 931,628.76 and 380,721.36

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Solution

The fourth proportional to 675,095.04, 931,628.76 and 380,721.36 is: 525,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,095.04 : 931,628.76 = 380,721.36 : x
  2. Step 2: Convert to fraction form
    675,095.04/931,628.76 = 380,721.36/x
  3. Step 3: Cross multiply
    675,095.04x = 931,628.76 × 380,721.36
  4. Step 4: Simplify right side
    675,095.04x = 354,690,968,522.31
  5. Step 5: Solve for x
    x = 354,690,968,522.31/675,095.04
  6. Step 6: Final answer
    x = 525,394.13

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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.