Home / 761,048.90-1,140,581.36-424,075.94

Finding the Fourth Proportional to 761,048.90, 1,140,581.36 and 424,075.94

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Solution

The fourth proportional to 761,048.90, 1,140,581.36 and 424,075.94 is: 635,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,048.90 : 1,140,581.36 = 424,075.94 : x
  2. Step 2: Convert to fraction form
    761,048.90/1,140,581.36 = 424,075.94/x
  3. Step 3: Cross multiply
    761,048.90x = 1,140,581.36 × 424,075.94
  4. Step 4: Simplify right side
    761,048.90x = 483,693,107,745.76
  5. Step 5: Solve for x
    x = 483,693,107,745.76/761,048.90
  6. Step 6: Final answer
    x = 635,561.15

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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.