Home / 926,498.60-1,390,208.70-365,551.40

Finding the Fourth Proportional to 926,498.60, 1,390,208.70 and 365,551.40

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Solution

The fourth proportional to 926,498.60, 1,390,208.70 and 365,551.40 is: 548,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,498.60 : 1,390,208.70 = 365,551.40 : x
  2. Step 2: Convert to fraction form
    926,498.60/1,390,208.70 = 365,551.40/x
  3. Step 3: Cross multiply
    926,498.60x = 1,390,208.70 × 365,551.40
  4. Step 4: Simplify right side
    926,498.60x = 508,192,736,577.18
  5. Step 5: Solve for x
    x = 508,192,736,577.18/926,498.60
  6. Step 6: Final answer
    x = 548,508.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.