Home / 972,901.09-1,342,501.66-564,923.40

Finding the Fourth Proportional to 972,901.09, 1,342,501.66 and 564,923.40

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Solution

The fourth proportional to 972,901.09, 1,342,501.66 and 564,923.40 is: 779,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,901.09 : 1,342,501.66 = 564,923.40 : x
  2. Step 2: Convert to fraction form
    972,901.09/1,342,501.66 = 564,923.40/x
  3. Step 3: Cross multiply
    972,901.09x = 1,342,501.66 × 564,923.40
  4. Step 4: Simplify right side
    972,901.09x = 758,410,602,272.84
  5. Step 5: Solve for x
    x = 758,410,602,272.84/972,901.09
  6. Step 6: Final answer
    x = 779,535.16

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1.5x scale

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.