Home / 761,457.79-1,051,075.11-439,296.31

Finding the Fourth Proportional to 761,457.79, 1,051,075.11 and 439,296.31

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Solution

The fourth proportional to 761,457.79, 1,051,075.11 and 439,296.31 is: 606,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,457.79 : 1,051,075.11 = 439,296.31 : x
  2. Step 2: Convert to fraction form
    761,457.79/1,051,075.11 = 439,296.31/x
  3. Step 3: Cross multiply
    761,457.79x = 1,051,075.11 × 439,296.31
  4. Step 4: Simplify right side
    761,457.79x = 461,733,417,355.84
  5. Step 5: Solve for x
    x = 461,733,417,355.84/761,457.79
  6. Step 6: Final answer
    x = 606,380.84

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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.