Home / 761,047.89-1,050,263.05-434,354.34

Finding the Fourth Proportional to 761,047.89, 1,050,263.05 and 434,354.34

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Solution

The fourth proportional to 761,047.89, 1,050,263.05 and 434,354.34 is: 599,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,047.89 : 1,050,263.05 = 434,354.34 : x
  2. Step 2: Convert to fraction form
    761,047.89/1,050,263.05 = 434,354.34/x
  3. Step 3: Cross multiply
    761,047.89x = 1,050,263.05 × 434,354.34
  4. Step 4: Simplify right side
    761,047.89x = 456,186,313,909.14
  5. Step 5: Solve for x
    x = 456,186,313,909.14/761,047.89
  6. Step 6: Final answer
    x = 599,418.67

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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.