Home / 877,622.40-1,316,476.80-457,718.40

Finding the Fourth Proportional to 877,622.40, 1,316,476.80 and 457,718.40

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Solution

The fourth proportional to 877,622.40, 1,316,476.80 and 457,718.40 is: 686,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,622.40 : 1,316,476.80 = 457,718.40 : x
  2. Step 2: Convert to fraction form
    877,622.40/1,316,476.80 = 457,718.40/x
  3. Step 3: Cross multiply
    877,622.40x = 1,316,476.80 × 457,718.40
  4. Step 4: Simplify right side
    877,622.40x = 602,575,654,533.12
  5. Step 5: Solve for x
    x = 602,575,654,533.12/877,622.40
  6. Step 6: Final answer
    x = 686,600.13

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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.