Home / 778,085.18-1,073,736.15-433,931.57

Finding the Fourth Proportional to 778,085.18, 1,073,736.15 and 433,931.57

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Solution

The fourth proportional to 778,085.18, 1,073,736.15 and 433,931.57 is: 598,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,085.18 : 1,073,736.15 = 433,931.57 : x
  2. Step 2: Convert to fraction form
    778,085.18/1,073,736.15 = 433,931.57/x
  3. Step 3: Cross multiply
    778,085.18x = 1,073,736.15 × 433,931.57
  4. Step 4: Simplify right side
    778,085.18x = 465,928,007,966.58
  5. Step 5: Solve for x
    x = 465,928,007,966.58/778,085.18
  6. Step 6: Final answer
    x = 598,813.63

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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.