Home / 977,561.70-1,465,686.45-472,364.70

Finding the Fourth Proportional to 977,561.70, 1,465,686.45 and 472,364.70

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Solution

The fourth proportional to 977,561.70, 1,465,686.45 and 472,364.70 is: 708,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,561.70 : 1,465,686.45 = 472,364.70 : x
  2. Step 2: Convert to fraction form
    977,561.70/1,465,686.45 = 472,364.70/x
  3. Step 3: Cross multiply
    977,561.70x = 1,465,686.45 × 472,364.70
  4. Step 4: Simplify right side
    977,561.70x = 692,338,540,248.32
  5. Step 5: Solve for x
    x = 692,338,540,248.32/977,561.70
  6. Step 6: Final answer
    x = 708,230.02

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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.