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Finding the Fourth Proportional to 652,301.96, 900,275.10 and 397,800.78

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Solution

The fourth proportional to 652,301.96, 900,275.10 and 397,800.78 is: 549,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,301.96 : 900,275.10 = 397,800.78 : x
  2. Step 2: Convert to fraction form
    652,301.96/900,275.10 = 397,800.78/x
  3. Step 3: Cross multiply
    652,301.96x = 900,275.10 × 397,800.78
  4. Step 4: Simplify right side
    652,301.96x = 358,130,136,994.58
  5. Step 5: Solve for x
    x = 358,130,136,994.58/652,301.96
  6. Step 6: Final answer
    x = 549,025.08

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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.