Home / 977,421.50-1,465,672.14-378,663.02

Finding the Fourth Proportional to 977,421.50, 1,465,672.14 and 378,663.02

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Solution

The fourth proportional to 977,421.50, 1,465,672.14 and 378,663.02 is: 567,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,421.50 : 1,465,672.14 = 378,663.02 : x
  2. Step 2: Convert to fraction form
    977,421.50/1,465,672.14 = 378,663.02/x
  3. Step 3: Cross multiply
    977,421.50x = 1,465,672.14 × 378,663.02
  4. Step 4: Simplify right side
    977,421.50x = 554,995,838,862.26
  5. Step 5: Solve for x
    x = 554,995,838,862.26/977,421.50
  6. Step 6: Final answer
    x = 567,816.28

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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.