Home / 912,689.19-1,369,036.17-372,945.51

Finding the Fourth Proportional to 912,689.19, 1,369,036.17 and 372,945.51

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Solution

The fourth proportional to 912,689.19, 1,369,036.17 and 372,945.51 is: 559,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,689.19 : 1,369,036.17 = 372,945.51 : x
  2. Step 2: Convert to fraction form
    912,689.19/1,369,036.17 = 372,945.51/x
  3. Step 3: Cross multiply
    912,689.19x = 1,369,036.17 × 372,945.51
  4. Step 4: Simplify right side
    912,689.19x = 510,575,892,629.10
  5. Step 5: Solve for x
    x = 510,575,892,629.10/912,689.19
  6. Step 6: Final answer
    x = 559,419.24

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Double scale
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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.