Home / 912,461.90-1,258,778.88-590,275.89

Finding the Fourth Proportional to 912,461.90, 1,258,778.88 and 590,275.89

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Solution

The fourth proportional to 912,461.90, 1,258,778.88 and 590,275.89 is: 814,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,461.90 : 1,258,778.88 = 590,275.89 : x
  2. Step 2: Convert to fraction form
    912,461.90/1,258,778.88 = 590,275.89/x
  3. Step 3: Cross multiply
    912,461.90x = 1,258,778.88 × 590,275.89
  4. Step 4: Simplify right side
    912,461.90x = 743,026,823,705.20
  5. Step 5: Solve for x
    x = 743,026,823,705.20/912,461.90
  6. Step 6: Final answer
    x = 814,309.98

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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.