Home / 779,219.72-1,075,312.74-435,060.92

Finding the Fourth Proportional to 779,219.72, 1,075,312.74 and 435,060.92

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Solution

The fourth proportional to 779,219.72, 1,075,312.74 and 435,060.92 is: 600,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,219.72 : 1,075,312.74 = 435,060.92 : x
  2. Step 2: Convert to fraction form
    779,219.72/1,075,312.74 = 435,060.92/x
  3. Step 3: Cross multiply
    779,219.72x = 1,075,312.74 × 435,060.92
  4. Step 4: Simplify right side
    779,219.72x = 467,826,553,048.27
  5. Step 5: Solve for x
    x = 467,826,553,048.27/779,219.72
  6. Step 6: Final answer
    x = 600,378.22

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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.