Home / 972,429.90-1,341,879.48-564,465.93

Finding the Fourth Proportional to 972,429.90, 1,341,879.48 and 564,465.93

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Solution

The fourth proportional to 972,429.90, 1,341,879.48 and 564,465.93 is: 778,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,429.90 : 1,341,879.48 = 564,465.93 : x
  2. Step 2: Convert to fraction form
    972,429.90/1,341,879.48 = 564,465.93/x
  3. Step 3: Cross multiply
    972,429.90x = 1,341,879.48 × 564,465.93
  4. Step 4: Simplify right side
    972,429.90x = 757,445,248,626.12
  5. Step 5: Solve for x
    x = 757,445,248,626.12/972,429.90
  6. Step 6: Final answer
    x = 778,920.16

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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.