Home / 803,572.29-1,108,646.33-493,368.21

Finding the Fourth Proportional to 803,572.29, 1,108,646.33 and 493,368.21

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Solution

The fourth proportional to 803,572.29, 1,108,646.33 and 493,368.21 is: 680,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,572.29 : 1,108,646.33 = 493,368.21 : x
  2. Step 2: Convert to fraction form
    803,572.29/1,108,646.33 = 493,368.21/x
  3. Step 3: Cross multiply
    803,572.29x = 1,108,646.33 × 493,368.21
  4. Step 4: Simplify right side
    803,572.29x = 546,970,852,888.33
  5. Step 5: Solve for x
    x = 546,970,852,888.33/803,572.29
  6. Step 6: Final answer
    x = 680,674.11

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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.