Home / 779,707.43-1,075,881.73-435,500.94

Finding the Fourth Proportional to 779,707.43, 1,075,881.73 and 435,500.94

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Solution

The fourth proportional to 779,707.43, 1,075,881.73 and 435,500.94 is: 600,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,707.43 : 1,075,881.73 = 435,500.94 : x
  2. Step 2: Convert to fraction form
    779,707.43/1,075,881.73 = 435,500.94/x
  3. Step 3: Cross multiply
    779,707.43x = 1,075,881.73 × 435,500.94
  4. Step 4: Simplify right side
    779,707.43x = 468,547,504,743.83
  5. Step 5: Solve for x
    x = 468,547,504,743.83/779,707.43
  6. Step 6: Final answer
    x = 600,927.33

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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.