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Finding the Fourth Proportional to 652,156.32, 900,050.70 and 434,352.96

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Solution

The fourth proportional to 652,156.32, 900,050.70 and 434,352.96 is: 599,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,156.32 : 900,050.70 = 434,352.96 : x
  2. Step 2: Convert to fraction form
    652,156.32/900,050.70 = 434,352.96/x
  3. Step 3: Cross multiply
    652,156.32x = 900,050.70 × 434,352.96
  4. Step 4: Simplify right side
    652,156.32x = 390,939,685,695.07
  5. Step 5: Solve for x
    x = 390,939,685,695.07/652,156.32
  6. Step 6: Final answer
    x = 599,457.02

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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.