Home / 900,929.73-1,243,282.65-493,031.55

Finding the Fourth Proportional to 900,929.73, 1,243,282.65 and 493,031.55

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Solution

The fourth proportional to 900,929.73, 1,243,282.65 and 493,031.55 is: 680,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,929.73 : 1,243,282.65 = 493,031.55 : x
  2. Step 2: Convert to fraction form
    900,929.73/1,243,282.65 = 493,031.55/x
  3. Step 3: Cross multiply
    900,929.73x = 1,243,282.65 × 493,031.55
  4. Step 4: Simplify right side
    900,929.73x = 612,977,572,017.61
  5. Step 5: Solve for x
    x = 612,977,572,017.61/900,929.73
  6. Step 6: Final answer
    x = 680,383.33

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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.