Home / 778,654.95-1,074,292.23-434,435.13

Finding the Fourth Proportional to 778,654.95, 1,074,292.23 and 434,435.13

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Solution

The fourth proportional to 778,654.95, 1,074,292.23 and 434,435.13 is: 599,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,654.95 : 1,074,292.23 = 434,435.13 : x
  2. Step 2: Convert to fraction form
    778,654.95/1,074,292.23 = 434,435.13/x
  3. Step 3: Cross multiply
    778,654.95x = 1,074,292.23 × 434,435.13
  4. Step 4: Simplify right side
    778,654.95x = 466,710,284,598.04
  5. Step 5: Solve for x
    x = 466,710,284,598.04/778,654.95
  6. Step 6: Final answer
    x = 599,380.10

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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.