Home / 652,152.90-977,062.95-402,543.30

Finding the Fourth Proportional to 652,152.90, 977,062.95 and 402,543.30

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Solution

The fourth proportional to 652,152.90, 977,062.95 and 402,543.30 is: 603,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,152.90 : 977,062.95 = 402,543.30 : x
  2. Step 2: Convert to fraction form
    652,152.90/977,062.95 = 402,543.30/x
  3. Step 3: Cross multiply
    652,152.90x = 977,062.95 × 402,543.30
  4. Step 4: Simplify right side
    652,152.90x = 393,310,144,200.74
  5. Step 5: Solve for x
    x = 393,310,144,200.74/652,152.90
  6. Step 6: Final answer
    x = 603,094.99

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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.