Home / 972,030.30-1,458,045.45-572,465.40

Finding the Fourth Proportional to 972,030.30, 1,458,045.45 and 572,465.40

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Solution

The fourth proportional to 972,030.30, 1,458,045.45 and 572,465.40 is: 858,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,030.30 : 1,458,045.45 = 572,465.40 : x
  2. Step 2: Convert to fraction form
    972,030.30/1,458,045.45 = 572,465.40/x
  3. Step 3: Cross multiply
    972,030.30x = 1,458,045.45 × 572,465.40
  4. Step 4: Simplify right side
    972,030.30x = 834,680,571,752.43
  5. Step 5: Solve for x
    x = 834,680,571,752.43/972,030.30
  6. Step 6: Final answer
    x = 858,698.10

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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.